Conservation Test

The photo shows litter that washed up on the coast of Hawaii. Which of these human activities is a form of pollution that could harm the habitats of living things?

 

   
 

• throwing garbage on the ground

• planting more trees on land that is bare

• making compost of left-over food for your garden

• using the landfill for throwing away garbage 

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Which one is an example of recycling?

• Reusing a paper bag for lunch.

• Using less water to take a bath.

• Making new glass bottles from old ones.

• Using plastic cups instead of paper cups.

A farmer wants to protect his crops from in and disease. He also wants to reduce soil erosion. Which soil conservation method should he use?

• Crop rotation

• hydroponics

• Intercropping

• Contour farming

Tags

NGSS.MS-ETS1-1

Which Idea below can BEST help conserve water in your home?

• Take baths instead of showers.

• Turn off water while brushing your teeth.

• Run only small loads in the washing machine.

• Tun the dishwasher when it is half ful.

A Farmer uses contour plowing before planting his crop. How does this type of plowing help protect soil?

• It guards against insects.

• It uses very little water.

• In prevents disease.

• It prevents erosion.

You see this symbol on the bottom of a plastic container. What does this tell you about the container?

• It cannot be reused or recycled.

• It contains recycled materials.

• I cannot be reused.

• It can be recycled.

Tags

NGSS.MS-PS1-3

Elijah, Mia, and Lily are playing with building blocks and noticed that no matter how they rearrange them, the number of blocks stays the same! This reminds them of a science principle. The Law of Conservation of Mass says that matter can neither be __________ or __________. Can you help them figure out the missing words?

• created; destroyed

• recycled; renewed

• subtracted; added

• joined; separated

Tags

NGSS.MS-PS1-5

During a fun science experiment, Nora, Abigail, and Benjamin discovered that substances can neither be _______ nor ___________. This principle is known as the law of conservation of mass. What words complete the sentence?

• Built; torn down

• Blended together; separated

• Created; destroyed

• Condensed; extracted

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Imagine Benjamin, Abigail, and Oliver are budding scientists experimenting in their school lab. They mix 25 grams of Reactants in a closed system. Can you guess how many grams of products they should have?

• 25g

• 50g

• 10g

• 15g

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Nora, Henry, and Noah are having a debate. Nora thinks the equation is balanced, but Henry and Noah aren't sure. Who do you agree with?

• I agree with Nora, the equation is balanced

• I agree with Henry and Noah, the equation is not balanced

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5