10 Days to STAAR: Day 2

1. A bowl of cereal mixed with milk is shown. Which of the following methods would NOT help to separate the cereal from the milk?

• Using a strainer
• Using a filter
• Picking the cereal out by hand
• Stirring a magnet through the bowl

2. Students set up the investigation shown in the diagram. Students used a metal block, spring scale, ramp, and a different number of books in each trial. What question were students most likely trying to answer?

• How does the shape of an object affect the amount of force needed to move the object?
• How does the mass of a block affect the height of a ramp?
• How does the angle of a ramp affect the amount of force needed to move a block?
• How does the force needed to move blocks change when more blocks are added?

3. Which statement about Earth's rotation is NOT correct?

• Earth makes a complete rotation every 24 hours.
• Earth spins on its axis.
• The side of the the Earth faced away from the Sun experiences daylight.
• The day/night cycle occurs because of Earth's rotation.

4. A pot of water has been placed on the stove so that the water can boil. What choice correctly describes how matter is changing in this scenario?

• The water is condensing to become a liquid.
• The water is evaporating to become a gas.
• The water is melting to become a liquid.
• The water is freezing to become a solid.

5. Which statement is about climate, rather than weather?

• Austin, Texas will see showers and thunderstorms next week.
• The southwestern United States is hot and dry, with little annual rainfall.
• New York City can expect about 6 inches of snow tonight.
• Wind speeds in Dallas reached 40 miles per hour last month.

6. A partial desert food web is shown. Choose TWO organisms that depend on abiotic factors in their environment for energy.

• Organism E
• Organism H
• Organism A
• Organism B
• Organism C

7. Walruses and sea lions are mammals that both live in the Arctic tundra. Select TWO structures that help them survive in their environment.

• Dense fur
• A thick layer of fat
• Large ears
• Flippers
• Long legs

Spinning of the Earth on its axis is called...

• rotation
• revolution
• orbit
• double axis

7. Which process is responsible for the formation of clouds in the atmosphere?

• Condensation of water vapor.

• Evaporation of ocean water.

• Sublimation of ice.

• Freezing of rain droplets.