Gravity and Air Resistance

Why did the flat paper fall slower than the crumpled up paper?

• The flat paper had more air resistance than the crumbled paper and therefore fell slower.

• The crumpled paper had more air resistance than the flat paper and therefore fell slower.

• The crumpled paper had more gravity than the flat paper.

What is gravity? Choose all that apply.

• A force

• Pull all matter away from the Earth

• Air resistance

• Pulls all matter toward center of the Earth

Tags

NGSS.MS-PS2-2

What is the definition of air resistance?

• A force that pulls objects towards the center of the Earth

• A force that impedes, or slows objects down

Why was Aristotle wrong in his conclusion about the rate at which objects fall to the ground?

• He did lots of experiments, but just couldn't find the answer.

• He did some experiments, and just couldn't make up his mind.

• He did no experiments and had no scientific evidence to prove his claim.

Tags

NGSS.MS-PS2-5

Why did the feather and the hammer hit the ground at the same time on the Moon?

• There is lots of gravity on the moon, but no air resistance.

• There is absolutely no gravity on the moon, but lots of air resistance.

• There is lots of air resistance on the moon, and less gravity than on Earth.

• There is no air resistance on the moon, and less gravity than on Earth.

Tags

NGSS.MS-PS2-4

If you dropped two balls, one heavy and one light, from the same height at the same time, they would __________.

• Reach the ground at the same time

• Reach the ground at different times

• Float away into space

Tags

NGSS.3-PS2-2

NGSS.5-PS2-1