5th Grade Science Review

Which of the following would be an abiotic factor in a bear’s environment?

• berries
• salmon
• snow
• trees

What is the plant’s main role in a food chain?

• carnivore
• consumer
• prey
• producer

The population of predators in an ecosystem increases. Which of the following would be the best explanation for why this happened? 

• There is a drought
• The season has changed
• There is a larger population of prey
• There is a small population of prey

Elena took a trip with her family to see a beautiful canyon. What most likely formed this canyon?

• River water deposited sediment as it emptied into the ocean.
• River water eroded rock as it flowed through the area.
• Lava from a volcano hardened and cooled to form rock.
• An earthquake caused parts of the land to fall to a lower level.

Maude kicks a soccer ball across a grassy field. What force causes the ball to eventually roll to a stop?

• gravity
• friction
• air resistance
• inertiea

What needs to occur for the box to move to the right?

• Ling and Sam need to push the box with equal force.
• Sam needs to push the box with more force than Ling.
• Ling needs to push the box with more force than Sam.
• Sam and Ling need to pull on the box with equal force.

What happens to the particles of a substance when the boiling point for that substance is reached?

• Liquid particles change to a gas.
• Solid particles change to a liquid.
• Liquid particles begin to rise and sink.
• None of the other answer choices

Which of these is an example of an abiotic factor in a forest?

• sunlight
• squirrel 
• moss
• tree

Which best describes an ecosystem and its parts?

• all the rocks, soil, and air in an area
• all the sources of water in an area
• all the plants and animals in an area
• all the living and nonliving things in an area

Look at the food web. Which of these are carnivores?

• grasshoppers
• foxes
• birds
• rabbits