Q: Laura prepared to roll a bowling ball down a lane. She swung the ball back with her arm. At the top of her backswing, the ball had a velocity of 0 meters per second (m/s). She swung her arm forward to release the ball down the lane. The ball left her hand with a velocity of 12 m/s. The time it took her to swing the ball forward was 0.5 seconds. What was the average acceleration of the bowling ball during her forward swing?

OPTIONS:
- 2.4 m/s^2
- 6.0 m/s^2
- 11.5 m/s^2
- 24.0 m/s^2
A: 24.0 m/s^2
Q: Which statement is true about the particles of a liquid compared to the particles of a gas?

OPTIONS:
- Particles of a liquid are a slower and further apart.
- Particles of a liquid are faster and farther apart.
- Particles of a liquid are slower and closer together.
- Particles of a liquid are faster and closer together.
A: Particles of a liquid are slower and closer together.
Q: Students dropped different rocks into sand to simulate meteorite impacts. Their goal was to determine which rock made the deepest crater. Which variable should the students control in order to have the most accurate results?

OPTIONS:
- the height from which the rocks are dropped
- the average time it takes the rocks to fall
- the density of the rocks
- the mass of the rocks
A: the height from which the rocks are dropped
Q: While collecting wildflowers, a student begins to sneeze and has itchy, watery eyes. What bodily system causes this reaction?

OPTIONS:
- immune
- nervous
- muscular
- circulatory
A:
immune