Liam is at home and uses the kitchen sink to fill a large beaker with water. He carries the beaker to the dining table. Which of the following can Liam do to help conserve resources at home?

• Move the table closer to the sink.

• Carry the beaker with one hand.

• Turn the faucet off when not in use.

• Use a plastic cup instead of a beaker.

Mia and Daniel are working on a school project about composting. They want to know what process creates the soil inside the compost bins?

• A. weathering

• B. decomposition

• C. erosion

• D. metamorphism

Charlotte is learning about soil in her science class. She discovers that a certain component of soil is created through the decomposition of plant and animal matter. What component of soil is created through this process?

• sand

• humus

• clay

• silt

Aria wants to save water at home. How can she conserve water?

• Water plants during the day.

• Take shorter showers.

• Only use cold water for bathing.

• Let the water run while brushing your teeth.

Scarlett is doing a project on natural resources. Using the table, which of the following shows the school object and the natural resource it is made from?

• A. Ruler → Plants

• B. Paper clip → Animals

• C. Book → Minerals

• D. Pencil → Plants

Use the keywords to complete the table of ways to conserve natural resources. Move the answers to the correct boxes. Match the conservation method with its description:

• to use a product over and over again

• Reduce

• to make into a new product

• Recycle

• to use less of a product

• Reuse

Olivia is organizing a community cleanup event and wants to choose materials that can be reused for future events. Which of the following materials would be the easiest to reuse?

• cotton ball

• paper towel

• paper cup

• salt

Students at Lincoln Elementary School have been taught the phrase “Reduce, Reuse, Recycle.” Which student is following the actions in the slogan?

• A. Elena is finished with lunch and places her empty plastic bag, yogurt cup, and used plastic spoon in the trash can. She then crushes her soft drink can and throws it away.

• B. Kevin cleans out his desk and makes a pile of old papers that his teacher has returned to him, a stack of notebook paper that has bent corners, and a group of dried-out markers and throws them in the trash.

• C. Lars packs his sandwich in a reusable plastic lunch box and brings a metal spoon from home with which to eat his pudding. He tosses his soft drink can in the recycling bin.

• D. Rosa encourages her mom to buy snack-size crackers that are individually wrapped, placed in a box of 12, and wrapped again in plastic wrap.

William, Olivia, and Maya are conducting a field investigation in the local forest. Which of the following would NOT be important to conserve in the forest?

• air

• fresh water

• trees

• plastic bags

Evelyn is learning about different uses of oil in her science class. Which of the following is NOT a use of oil?

• Gasoline

• Thermal energy

• Food

• Plastics