science test

What does it mean to reduce waste?

• A. To buy more things

• B. To throw everything away

• C. To use fewer things and make less trash

• D. To leave trash on the ground at the park

  
  

Which statement BEST describes soil?

• A. Soil is only made of decomposed plant and animal material. 

  
  

• B. Soil is a mixture of weathered rock and 

  decomposed plant and animal material.

  
  

• C. Soil is a mixture of large rocks and broken down leaves.

• D. Soil is made of weathered rocks and shells.

Why is it important to protect forests and trees?

• A. They help us make toys

• B. They give us oxygen and help clean the air

• C. They only look nice 

  
  

• D. They help us make more plastic

Which process or event is NOT a rapid change to Earth’s surface?  

• A. Volcanic eruption

• B. Decomposition of plants

• C. Landslide

• D. Earthquake

  
  

Choose the word that BEST completes the statement. 

The formation of soils like sand and clay, is a _________ process.

• A. man-made 

  
  

• B. simple 

  
  

• C. fast

• D. slow

  
  

Which image shows the changes to Earth’s surface due to an earthquake?

• 
• 
• 
• 

Third grade students made posters about why it is important to conserve natural resources. Which statement should they add to their poster? 

• A. It is important to conserve natural resources because we can alway make more.

• B. Keep the water running while brushing your teeth to save water. 

  
  

• C. It is important to conserve natural resources so we have enough resources for future generations.

• D. Reusing water bottles and plastic bags is not helpful.

  
  

Part A

Which rapid change to Earth’s surface does this picture show? 

• A. Weathering

• B. Earthquake

• C. Volcanic eruption

• D. Landslide

Part B

Which statement BEST supports the answer to Part A?

• A. During a landslide a large amount of rock and soil quickly moves downhill.

• B. During an earthquake land changes very quickly and makes cracks in the ground.

• C. During a volcanic eruption land changes quickly and makes cracks in the ground. 

  
  

• D. During weathering a large amount of rock and soil quickly moves downhill.

  
  

Which of the following natural resources is used to make glass and some building materials?

• A. Sand 

  
  

• B. Water 

  
  

• C. Wind 

  
  

• D. Plants