Looking closely at matter
Students learn that everything is made of tiny pieces too small to see. They sort materials by traits like color, hardness, and shine, and weigh substances before and after mixing to see what stays the same.
This is the year science gets evidence-based, where students stop just observing and start backing up their claims with data. Students run small experiments to show that matter is made of tiny particles and that weight stays the same when things melt, freeze, or mix. They trace how plants grow from air and water and how the sun's energy moves through food into animals. By spring, students can explain why shadows shift through the day and design a simple test to clean up a polluted model environment.
Students learn that everything is made of tiny pieces too small to see. They sort materials by traits like color, hardness, and shine, and weigh substances before and after mixing to see what stays the same.
Students build the case that Earth pulls things down toward its center. They design simple tests, like a parachute drop, to change how fast an object falls.
Students learn that plants grow mostly from air and water, not from soil. They trace how energy from the sun moves into food and powers everything animals do, from running to staying warm.
Students figure out why the sun looks so much bigger than other stars. They track shadows during the day and notice patterns in moon phases and the stars that show up in different seasons.
Students build models showing how air, land, water, and living things interact. They map where Earth's water sits, and see how little of it is fresh water people can actually drink.
Students look at real ways people protect land, water, and air. They design and test their own fixes for a polluted space, then revise the design to make it work better.
Students design and run tests to show that matter is made of tiny particles invisible to the naked eye. Think of dissolving salt in water: the salt disappears from view but the water tastes salty, hinting that something too small to see is still there.
Students examine materials and sort them by physical traits like color, how hard or soft something is, and whether it bounces light back. They use measurements and observations to figure out what a material is made of or how it might behave.
Students weigh a substance before and after heating, cooling, or mixing it to show that the total weight stays the same even when the substance changes form.
Students mix two or more substances and study the results to figure out whether a chemical reaction happened. A color change, a new smell, or bubbles forming can all be clues that something new was created.
| Standard | Definition | Code |
|---|---|---|
| Plan and carry out investigations to provide evidence that matter is made of… | Students design and run tests to show that matter is made of tiny particles invisible to the naked eye. Think of dissolving salt in water: the salt disappears from view but the water tastes salty, hinting that something too small to see is still there. | 5.1 |
| Analyze data collected through observations and measurements to identify… | Students examine materials and sort them by physical traits like color, how hard or soft something is, and whether it bounces light back. They use measurements and observations to figure out what a material is made of or how it might behave. | 5.2 |
| Conduct investigations to provide evidence that the total weight of matter is… | Students weigh a substance before and after heating, cooling, or mixing it to show that the total weight stays the same even when the substance changes form. | 5.3 |
| Analyze data from tests to determine whether a new substance is formed after… | Students mix two or more substances and study the results to figure out whether a chemical reaction happened. A color change, a new smell, or bubbles forming can all be clues that something new was created. | 5.4 |
Students explain why dropped objects fall down instead of sideways or up, using evidence to support the idea that Earth pulls everything toward its center.
Students design and run a test to change how fast an object falls, adjusting things like shape or weight to see what slows it down or speeds it up.
| Standard | Definition | Code |
|---|---|---|
| Make a claim, supported by evidence, that the gravitational force exerted by… | Students explain why dropped objects fall down instead of sideways or up, using evidence to support the idea that Earth pulls everything toward its center. | 5.5 |
| Design and conduct a test to modify the speed of an object falling due to… | Students design and run a test to change how fast an object falls, adjusting things like shape or weight to see what slows it down or speeds it up. | 5.6 |
Plants are mostly made from air and water, not soil. Students study evidence that shows how plants pull carbon dioxide from the air and water from the ground to build stems, leaves, and roots.
Food stores energy that originally came from the sun. Students trace how that energy moves from sunlight to plants to animals, where it powers healing, growth, movement, and keeping the body warm.
Students build a model showing how energy from the sun and nutrients from the soil move into plants, then into the animals that eat them, and back into the environment when things die and decay.
| Standard | Definition | Code |
|---|---|---|
| Support an argument from evidence that plants primarily use air and water to… | Plants are mostly made from air and water, not soil. Students study evidence that shows how plants pull carbon dioxide from the air and water from the ground to build stems, leaves, and roots. | 5.7 |
| Use evidence to explain that energy from the sun is present in animals’ food… | Food stores energy that originally came from the sun. Students trace how that energy moves from sunlight to plants to animals, where it powers healing, growth, movement, and keeping the body warm. | 5.8 |
| Create and use a model to explain the transfer of matter and energy between the… | Students build a model showing how energy from the sun and nutrients from the soil move into plants, then into the animals that eat them, and back into the environment when things die and decay. | 5.9 |
The sun looks bigger and brighter than other stars because it is much closer to Earth. Students learn to explain that distant stars only appear small and faint, the same way a streetlight looks dimmer the farther away it gets.
Students look at patterns in shadow lengths, day and night cycles, moon phases, and which stars appear in the night sky each season. The goal is to explain why those patterns repeat using data.
| Standard | Definition | Code |
|---|---|---|
| Obtain and communicate information to explain why the sun appears to be larger… | The sun looks bigger and brighter than other stars because it is much closer to Earth. Students learn to explain that distant stars only appear small and faint, the same way a streetlight looks dimmer the farther away it gets. | 5.10 |
| Analyze data that reveal patterns of daily changes in length and direction of… | Students look at patterns in shadow lengths, day and night cycles, moon phases, and which stars appear in the night sky each season. The goal is to explain why those patterns repeat using data. | 5.11 |
Students pick two of Earth's major systems (air, living things, land, or water) and build or draw a model showing how those two systems work together to support life.
Students build a model showing where Earth's water is found. Most is saltwater in oceans. A small fraction is freshwater in rivers, lakes, glaciers, and underground.
| Standard | Definition | Code |
|---|---|---|
| Use a model to represent how any two of Earth's systems | Students pick two of Earth's major systems (air, living things, land, or water) and build or draw a model showing how those two systems work together to support life. | 5.12 |
| Construct a model to represent the distribution of freshwater and saltwater on… | Students build a model showing where Earth's water is found. Most is saltwater in oceans. A small fraction is freshwater in rivers, lakes, glaciers, and underground. | 5.13 |
Students research real solutions people use to protect clean water, healthy soil, and other natural resources. They explain what the evidence shows about how well those solutions work.
Students design and test ways to clean up a polluted environment, such as an oil spill or contaminated soil, then use what they learn to improve their solution.
| Standard | Definition | Code |
|---|---|---|
| Obtain and evaluate information to communicate how science-based solutions are… | Students research real solutions people use to protect clean water, healthy soil, and other natural resources. They explain what the evidence shows about how well those solutions work. | 5.14 |
| Design, test, and revise solutions to clean a polluted environment | Students design and test ways to clean up a polluted environment, such as an oil spill or contaminated soil, then use what they learn to improve their solution. | 5.15 |
Students study matter and how it changes, gravity and falling objects, how plants and animals get energy, the sun and moon and stars, Earth's water and air and land, and how people protect the environment. A lot of it is hands-on testing and explaining what they observed.
Ask them to show or draw what they saw, then ask what they think caused it. Cooking, melting ice, watering plants, and looking at the moon all count as practice. Five minutes of talking about why something happened beats reading a definition.
Most teachers start with matter and properties, since those investigations build the habits of measuring and recording. Forces and gravity come next, then living systems and energy flow. Save Earth and space for spring when patterns of the moon and shadows are easier to track over weeks.
Yes. Students learn that matter is made of particles too small to see, which is why a balloon still has mass and why sugar seems to disappear in water. Ask them to explain how they know, since making the argument is the skill.
Conservation of matter during phase changes and mixing trips up a lot of students, because it looks like mass disappears when water boils or sugar dissolves. Plants getting most of their mass from air also pushes against what students assume. Plan extra investigation time for both.
Step outside once a week and sketch the moon, or trace a shadow on the driveway in the morning and again at lunch. Talking about why the sun looks bigger than other stars, even though it isn't, is a great dinner conversation.
Students can plan a simple test, collect data, and use that data to back up a claim. They can explain where a plant's mass comes from, why a dropped ball speeds up, and how Earth's systems connect. The argument matters as much as the answer.
They should be able to describe an experiment they ran, what they measured, and what it showed. If they can explain one full example, such as how energy from the sun ends up in a deer, they are in good shape for next year.