5th Grade Science Review

Front

Why does the plastic keep electricity from starting a fire?

Back

Plastic is a good insulator.

Front

What is the process of erosion in the formation of sedimentary rock?

Back

Pieces of rock or soil are carried from one place to another.

Front

Ways birds interact with nonliving parts of their environment: reacting to morning sunlight by singing, drinking and taking a bath in a puddle of water, responding to cold temperatures by fluffing its feathers, feeding insects to its chicks. Which one is NOT an interaction with nonliving parts?

Back

feeding insects to its chicks

Front

Which activities on the list are examples of the use of mechanical energy?
-
1. Sharks chasing a school of fish
2. A toaster heating bread
3. A cell phone charging
4. A tree limb falling to the ground
5. Tomato plants absorbing sunlight
6. A canoe floating down a river
-

Back

Activities 1, 4, and 6

Front

A student combined powdered paint with water to make a small amount of a blue liquid paint mixture. The student left the paint mixture in an open container. Several days later the student found the container and observed that changes had occurred. What most likely happened to the mixture?

Back

The water evaporated, leaving only a dry blue solid in the container.

Front

What must be available for plants in tropical climates to make their own food throughout the year?

Back

Water

Front

Which two objects are most likely less dense than the water? Objects: Plastic ball, Glass marble, Metal paper clip, Wood block.

Back

Wood block and plastic ball

Front

gravity

Back

The force that keeps you down.

Front

What is the 5th planet?

Back

jupiter

Front

What causes it to change seasons? Options: The tilt of the earth's axis, when the sun is closer to the northern hemisphere, gravity, the orbit.

Back

The tilt of the earth's axis.