10 Days to STAAR: Day 4

1. A mixture of iron nails, glass marbles, and steel screws fell on the ground. A magnet was waved over the mixture. What would be seen after the magnet passed over the mixture?

• The iron nails remained on the ground.
• The marbles remained on the ground.
• The steel screws and iron nails remained on the ground.
• The marbles and iron nails remained on the ground.

2. Which rapid change is described by the statements below?

• Landslide
• Earthquake
• Volcanic eruption
• Flood

3. Students are creating a weather report for the current week. Which of the following is something they should NOT include in the weather report?

• Predicted high and low temperatures
• Expected rainfall amounts
• Rainfall averages from past decades
• The time that a storm system is expected to pass through the area

4. What seasonal patterns are usually noticed as winter approaches?

• Temperature and amount of daylight increasing
• Temperature and amount of daylight decreasing
• Temperature increasing but amount of daylight decresaing
• Temperature decreasing but amount of daylight increasing

6. Students built the circuit shown below. Choose TWO statements about the circuit that are correct.

• The circuit is completely closed.
• Part of the circuit is open.
• Currently, 3 LED bulbs will appear to be lit.
• Currently, 2 LED bulbs will appear to be lit.
• There is only one path for electricity to follow in the circuit.

7. Students are playing with toy cars. Car A will be released from an 8-centimeter ramp. Car B will be released from a 4-centimeter ramp. They both need to travel down a 3-meter track on the same type of surface. Choose TWO statements that describe the expected behavior of the cars.

• Both cars will travel at the same speed.
• Car A will travel faster than Car B.
• Car A will travel slower than Car B.
• More force will be applied to Car A than Car B.
• More force will be applied to Car B than Car A.

Part A Which statement describes how hedgehogs interact with biotic and abiotic factors in their ecosystem?

• Their nest is made of biotic factors, but the reason that they hibernate is an abiotic factor.
• Their nest is made of abiotic factors, but the reason that they hibernate is a biotic factor.
• Both their nest and the reason that they hibernate are biotic factors.
• Both their nest and the reason that they hibernate are abiotic factors.

9. The properties of four mystery objects are shown below. Tell which object could be a steel key AND tell which property of matter helped you determine the answer.