What does a student learn in
California, Grade 7, Science, any focus ?

Students build or interpret a diagram showing how the Earth, sun, and moon move around each other to explain why the moon appears to change shape each month, why eclipses happen, and why seasons change.

Gravity pulls every planet, moon, and star toward other massive objects. Students model how that pull keeps planets orbiting the sun and holds the spinning arms of a galaxy together.

Students compare the sizes and distances of planets, moons, and the sun using real data. The numbers are so large that students practice converting them into scaled-down models to make sense of the spacing.

Rock layers act like pages in Earth's history book. Students use evidence from those layers to explain how scientists divide 4.6 billion years of Earth's past into named chunks of time.

Students map how rock, water, and other materials move through Earth over time, and trace the energy source (mostly heat from inside the planet and sunlight) that keeps the cycle going.

Rocks, landforms, and coastlines are always changing, just at different speeds. Students study how earthquakes reshape land in seconds while erosion carves canyons over millions of years, then use real evidence to explain why Earth's surface looks the way it does today.

Fossils, rock layers, and the jagged edges of continents all tell the same story. Students read that evidence to figure out how Earth's plates have shifted and drifted over millions of years.

Students trace how water moves from oceans to clouds to rain and back again. They build a diagram or model showing how sunlight and gravity keep that cycle running.

Students track how air masses move and collide to explain why weather changes. They gather real data, like temperature and pressure readings, to connect what's happening in the atmosphere to the forecast outside.

Students build a model showing why some parts of Earth get more sun than others, and how that uneven warmth, combined with Earth's spin, drives wind and ocean current patterns that shape the climate where you live.

Students explain why oil, gold, or clean water is plentiful in some places and scarce in others. The reason always comes back to geologic processes, like volcanic activity or erosion, that concentrated those resources over millions of years.

Students study real data from earthquakes, volcanoes, and floods to spot patterns that help predict where disasters are likely to strike next. That same evidence shapes the tools and warning systems communities build to reduce harm.

Students pick a real environmental problem, such as water pollution or habitat loss, and design a step-by-step plan to track and reduce that impact using science concepts they already know.

Students build a case, using real data, for how a growing human population and rising resource use put pressure on land, water, and air. The argument has to be backed by evidence, not opinion.

Students examine real data on global temperature changes and ask focused questions about what caused them. The goal is to understand which natural and human factors drove the warming trend seen over the last 100 years.

Students build a model showing how the Earth, sun, and moon move relative to each other, then use it to explain why the moon appears to change shape each month, why eclipses happen, and why seasons change throughout the year.

Gravity pulls every planet, moon, and star toward other objects with mass. Students build or use a model to show how that pull keeps planets orbiting the sun and holds the stars of a galaxy together.

Students compare the actual sizes and distances of planets, moons, and the sun using real data. The numbers are so large that students practice expressing them in ways that make the scale easier to grasp.

Rock layers act like pages in Earth's history book. Students use evidence from those layers to explain how scientists divide 4.6 billion years of Earth's past into named time periods.

Students build a diagram or model showing how rocks, water, and other materials move through Earth over time, and what forces (like heat from inside Earth or energy from the sun) keep that cycle going.

Geoscience processes like erosion, volcanic eruptions, and shifting tectonic plates have reshaped Earth's surface over millions of years or just a few days. Students study evidence to explain how those changes happen at scales ranging from a backyard to an entire continent.

Fossils, rock layers, and the shapes of continents tell a story about how Earth's outer shell has shifted over millions of years. Students read maps and data to explain where those plates used to sit and how they moved.

Students map how water moves through the world: evaporating from oceans, falling as rain or snow, and flowing back downhill. The sun's heat and gravity keep the cycle going.

Students track how air masses move and collide to explain why the weather changes. They collect real data, like temperature and pressure readings, to back up what they observe.

Students map how the sun heats Earth unevenly and how Earth's spin sets the oceans and atmosphere in motion. Together, those two forces create the wind and water patterns that give each region its climate.

Minerals, fossil fuels, and fresh water are not spread evenly across the planet. Students explain why, using evidence of how geological processes like volcanic activity, erosion, and shifting land formed those deposits over millions of years.

Students study real data from earthquakes, wildfires, floods, and other disasters to spot patterns and predict where and when the next one might hit. That work shapes the tools and warning systems built to protect people.

Students design a plan to track and reduce a real human impact on the environment, such as pollution or habitat loss, using science to back up their choices.

Students use data and examples to argue how a growing population and rising resource use put pressure on land, water, and air. The focus is on building a real case with evidence, not just stating an opinion.

Students look at temperature records, atmospheric data, and other evidence to figure out why Earth has gotten warmer over the last hundred years. The focus is on identifying which human and natural factors are driving the change.

Students spell out exactly what a solution must do and what it cannot do before any building starts. That means listing real-world limits like cost, materials, and safety alongside any science that rules certain designs out.

Students compare two or more design solutions side by side, using a clear set of criteria to judge which one best solves the problem within the given limits, such as cost, materials, or size.

Students compare test results from multiple design attempts to find what worked best in each one, then combine those strengths into a single improved design.

Students figure out exactly what a solution must do and what it cannot do before any building starts. That means naming real-world limits like cost, safety, and environmental effects alongside the science that rules out certain designs.

Students compare two or more design solutions side by side, testing each against the same requirements and limits to decide which one solves the problem best.

Students compare test results from multiple design prototypes to find what works best in each, then combine those strengths into one improved design.

Students investigate whether living things are made of one cell or many by examining real specimens or slides. The goal is to find direct evidence, not just read about it.

Students build or label a diagram of a cell and explain what each part does. The goal is to show how the parts work together to keep the whole cell running.

Students build an argument, using real evidence, for why the body is made of smaller systems (like the digestive or nervous system) that work together. They explain how groups of cells form tissues and organs, and how those parts depend on each other to keep the body running.

Students study why certain animal behaviors and plant structures make reproduction more likely to succeed. They back their explanations with real evidence, showing how a bird's mating call or a flower's shape helps the species keep going.

Students explain why two plants or animals of the same species can grow up very differently, using evidence that points to causes like diet, sunlight, or traits passed down from parents.

Students explain how plants use sunlight, water, and carbon dioxide to make food, and how that process moves energy and materials through living things. This is the foundation for understanding why plants matter to nearly every food chain.

Students trace how food breaks down inside the body and gets rebuilt into new molecules that fuel growth and movement. The atoms in food don't disappear; they rearrange through chemical reactions to keep the body running.

Sensory receptors pick up signals from the world around us and send messages to the brain. The brain either acts on those messages right away or stores them as memories.

Students look at real data, like population counts or food supply records, and explain how a shortage or surplus of food, water, or shelter affects how many organisms survive in an ecosystem.

Students study how living things affect each other, like predators and prey or plants and pollinators, then explain why those same patterns show up across different ecosystems.

Students draw or diagram how matter (like water, carbon, or nutrients) moves through an ecosystem and how energy flows from the sun through plants, animals, and decomposers. The model shows how living things depend on nonliving parts like soil, air, and water.

When part of an ecosystem changes, such as a drought drying up a river or a new predator moving in, other species in that area grow, shrink, or disappear. Students use real data to build an argument explaining why.

Students compare different real-world plans for protecting wildlife and healthy ecosystems, then judge which approach works best and why. The focus is on trade-offs, not just picking a favorite.

A mutation is a change in a gene's instructions. Students learn how that small change can alter the proteins a cell builds, and why the result might harm the organism, help it, or make no difference at all.

Students model how living things pass on genetic information, showing why offspring from asexual reproduction are genetic copies of one parent while offspring from sexual reproduction inherit a mix from two parents.

Fossils reveal which creatures lived long ago, which died out, and how life has changed over millions of years. Students study fossil data to find patterns that explain why some species survived and others disappeared.

Students compare body structures across living animals and fossils to explain how species are related and how they changed over time.

Students look at drawings of animal embryos at different growth stages and find similarities that don't show up once the animals are fully grown. Those hidden patterns help scientists figure out which species are more closely related than they appear as adults.

Students explain, using real examples, why some individuals in a species survive and reproduce more than others. The key is genetic variation: small inherited differences can make certain individuals better suited to their environment.

Students research technologies like selective breeding and genetic engineering to understand how humans shape which traits get passed down in plants and animals.

Students use graphs or data to explain how a useful trait spreads through a population over generations, and how a harmful one fades. The math shows why some traits survive and others disappear.

Students investigate whether living things are made of one cell or many by examining real specimens or samples under a microscope. The goal is to gather their own evidence, not just read a fact in a textbook.

Students explain what a cell does to stay alive and show how the parts inside (like the nucleus or membrane) each play a specific role in keeping it running.

Students explain how the body's systems (like digestion or circulation) work together by showing evidence from what cells and tissues actually do. The argument has to be grounded in how those smaller parts interact, not just what they're named.

Students examine real evidence to explain why certain animal behaviors and plant structures, like a flower's color or a bird's mating call, make it more likely that an animal or plant will reproduce successfully.

Students explain why two plants or animals of the same species can grow differently, pointing to causes like diet, sunlight, or traits inherited from parents. Evidence from real examples backs the explanation.

Students explain how plants use sunlight, water, and air to make food, and how that process moves energy and materials through living things. It connects what plants do to how nearly every other organism gets the energy it needs.

Students trace what happens to food inside the body: its molecules are broken apart and rearranged through chemical reactions to build new tissues or release energy the body can use.

Students learn how the senses work: when you touch something hot or hear a loud noise, receptor cells send signals to the brain, which either triggers an instant reaction or stores the experience as a memory.

Students study what happens to animals and plants when food, water, or space runs low. They read charts and data to explain how shortages affect individual creatures and whole populations in an ecosystem.

Students study how animals, plants, and other living things affect each other, then predict how those same patterns play out in different ecosystems. A wolf controlling deer populations works the same way a sea otter controls sea urchins.

Students trace how matter like water, carbon, and nutrients moves in a loop through living things and the soil, air, or water around them. They also show how energy from the sun flows through that same ecosystem without cycling back.

When part of an ecosystem changes, such as a drought or a new predator, animal and plant populations shift in response. Students use real data to build an argument explaining why those population changes happen.

Students compare different real-world plans for protecting wildlife and healthy ecosystems, then decide which approach works best and explain why.

A mutation is a change in a gene that can alter the protein that gene builds. Depending on which protein is affected, the change might harm the organism, help it survive better, or make no difference at all.

Students explain why two organisms that reproduce asexually have identical genes, while offspring from sexual reproduction inherit a mix of genes from two parents. They use a diagram or model to show how each process works.

Students study fossil evidence to find patterns in how life on Earth has changed over millions of years, including which species appeared, which died out, and how living things have shifted over time.

Students compare body structures across living animals and fossils to figure out which species share common ancestors. A fish fin and a human arm, for example, have the same underlying bones.

Students look at side-by-side drawings of animal embryos at different growth stages and spot which species share similar early development. Those shared patterns reveal relationships that adult bodies alone would never show.

Some animals are born with traits that happen to suit their environment better than others. Students explain, using evidence, why those individuals are more likely to survive and have offspring, which is how a population slowly changes over time.

Students research how tools like selective breeding and genetic modification let humans shape which traits plants, animals, or other organisms pass to the next generation.

Students use graphs or data to explain how natural selection can make a trait more or less common in a population over generations. Think of it as showing, with numbers, why certain inherited features spread or fade out.

Students draw or build models showing how atoms link together to form molecules like water or table salt. The goal is to see how the type and arrangement of atoms determine what a substance is.

Students look at the properties of materials before and after mixing or heating them to decide if a new substance was formed. A color change, gas bubbles, or a new smell are the kinds of clues that signal a chemical reaction happened.

Students trace everyday synthetic materials, like plastic or nylon, back to the natural resources they came from, then think through the trade-offs those materials create for people and the environment.

Students build a diagram or model showing what happens to the particles inside a substance as it heats up or cools down, predicting when it will melt, freeze, or boil.

Students build a model showing that atoms rearrange during a chemical reaction but none appear or disappear. Because the atom count stays the same, the total mass before and after the reaction is equal.

Students design and build a device that uses a chemical reaction to produce heat or cold, then test it and improve it based on what they find. Think hand warmers or instant ice packs.

Students learn that every push or pull has an equal push or pull in the opposite direction, then use that rule to solve a real problem, like designing a bumper or padding that controls what happens when two moving objects collide.

Students plan and run an experiment to show that how much an object speeds up or slows down depends on how hard it's pushed or pulled and how heavy it is. A heavier object needs more force to change direction than a lighter one.

Students look at data to figure out what makes electric and magnetic forces stronger or weaker. They ask questions about patterns in the data to find the key factors at work.

Students build an argument, using data and examples, for why gravity pulls objects together and why heavier objects pull on each other more strongly than lighter ones do.

Students test how magnets or electrically charged objects push and pull each other without touching. The investigation shows that invisible force fields exist in the space between objects.

Students read and build graphs that show how a moving object's energy changes when it gets heavier or faster. A heavier car rolling downhill carries more energy than a lighter one, and a faster ball hits harder than a slower one.

When objects that push or pull on each other from a distance move closer together or farther apart, the amount of stored energy in the system changes. Students build a model to show how that stored energy grows or shrinks as the arrangement shifts.

Students design and build a device to control heat transfer, then test whether it actually works. Think of an insulated lunch bag that keeps food warm or a solar cooker that traps heat on purpose.

Students design an experiment to figure out how heating different materials changes their temperature. They test how the type of material and its mass affect how much heat it takes to warm something up.

When a moving object speeds up or slows down, energy has moved into or out of it. Students build an argument explaining where that energy came from or went, using real examples like a rolling ball or a braking bike.

Students use math to describe how waves work, focusing on one key relationship: a wave with a bigger amplitude carries more energy. Think of it like sound getting louder as the wave grows taller.

Waves (like light or sound) behave differently depending on what material they hit. Students model how a wave can bounce off a surface, pass through it, or get soaked up by it, and explain what determines which happens.

Students compare digital and analog signals, then use science and technical sources to explain why digital signals are less likely to scramble or lose information during transmission.

Students draw or build models showing how atoms link together to form simple molecules, like water or salt. This standard is about visualizing what matter looks like at a scale too small to see.

Students compare substances before and after mixing to figure out if a chemical reaction happened. They look at changes in color, temperature, or smell as clues that a new substance formed.

Students trace everyday synthetic materials, like plastic or nylon, back to the natural resources they came from. Then they look at how those materials change daily life, for better or worse.

Students build a diagram or model showing what happens to water, wax, or another pure substance as it heats up or cools down. They predict when it melts, freezes, or boils and explain why temperature changes by connecting heat to how fast the tiny particles inside are moving.

In a chemical reaction, no atoms appear or disappear. Students use models to show that the same atoms just rearrange into new substances, which is why the total mass stays the same before and after.

Students design and build a device that uses a chemical reaction to either heat up or cool down, then test it and improve it based on what they find.

Students apply Newton's Third Law (when two objects collide, each pushes back on the other with equal force) to solve a real problem, like designing a bumper or padding that controls what happens after a crash.

Students plan and run a test to show how an object speeds up, slows down, or changes direction based on how hard it is pushed or pulled and how heavy it is.

Students study what makes magnets and electric forces stronger or weaker. They look at real data and ask questions about what changes the pull or push, like distance or the amount of current.

Students build a written argument explaining why gravity pulls objects together and why heavier objects pull harder. They back the claim with evidence, not just a guess.

Students test how magnets or charged objects push and pull each other without touching. They also judge whether the experiment was set up in a way that makes the results trustworthy.

Students read and build graphs showing how a moving object's energy changes when it gets heavier or faster. A heavier car rolling downhill carries more energy than a lighter one moving at the same speed.

Students model how potential energy changes when objects move closer together or farther apart, such as a ball lifted higher off the ground or two magnets pulled apart. The arrangement of objects determines how much stored energy the system holds.

Students design and build a device to control heat flow, then test whether it actually works. This might mean keeping a warm drink warm or stopping ice from melting.

Students plan and run an experiment to figure out how heat moves into different materials. They track how the material type, the amount of it, and the energy added all affect how much the temperature changes.

When a moving object speeds up or slows down, energy has moved into or out of it. Students build an argument using real examples, like a rolling ball or a braking bike, to show where that energy came from or went.

Students practice describing waves with numbers and graphs, showing how a taller wave carries more energy than a shorter one.

Students learn that when a wave (like light or sound) hits a material, it can bounce back, pass through, or be soaked up. They build or sketch a model to show which of those happens with different materials.

Students compare digital and analog signals, then use scientific evidence to explain why digital signals carry information more reliably, even when there is interference or noise in the transmission.