STAAR Review - Science 2

1. These plants are providing the fish with --

• water
• light
• oxygen
• carbon dioxide

2. Which basic need do groundhogs meet by digging tunnels in meadow soil?

• Water
• Shelter
• Light
• Air

3. A delta forms at the mouth of a river when --

• sediments are deposited by the slowing river water
• ocean waves deposit sediment on the beach
• the river erodes sand from the beach
• wind blows sand into the river

4. The process of breaking up rocks on the surface of the Earth is called --

• deposition
• erosion
• sedimentation
• weathering

5. Day and night on Earth are caused by --

• the lunar cycle
• the rotation of Earth on its axis
• the reflection of the Sun off the Moon
• the orbit of Earth around the Sun

6. A student observed the Sun throughout the day. The change observed is caused by -

• the orbit of the Earth around the Sun
• the orbit of the Sun through space
• the rotation of Earth on its axis
• the reflection of the Sun off the Moon

7. How many hours are there within one full rotation of the Earth?

• 8
• 12
• 24
• 36

8. What MOST LIKELY caused the formation of this island in the middle of the ocean?

• Wave erosion
• Sand deposits
• Wind movements
• Volcanic eruptions

9. What kind of change occurs when heat is added to a solid and changes to a liquid?

• melting
• boiling
• evaporation
• condensation

10. Water flows through turbines to make them spin. The type of energy that makes them spin is --

• Light energy
• Mechanical energy
• Thermal energy
• Sound energy