Science STAAR Review

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.

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

Part A Which statement best describes how these products were made?

• These products were all made from renewable resources.
• These products were all made from nonrenewable resources.
• The beeswax candle was made from renewable resources, but the cotton shirt and wooden chair were made from nonrenewable resources.
• The beeswax candle and cotton shirt were made from nonrenewable resources, but the wooden chair was made from renewable resources.

Part B What statement best supports the answer to Part A?

• Oil, coal, and natural gas take millions of years to form.
• Plants and animals can not be replenished easily.
• Once we use any resource on Earth, it is gone forever.
• Plants can be regrown and animals can reproduce.

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

• rotation
• revolution
• orbit
• double axis

The average winter temperature is 45 C.

• weather
• climate