2/27/24 Science Review

What is the difference between mass and weight?

• • Mass is how much matter (stuff) is in something, while weight is how hard gravity pulls on it.

• • Mass and weight are the same thing.

• • Mass is how hard gravity pulls on something, while weight is how much stuff is in it.

• • Mass is measured in pounds, while weight is measured in kilograms.

What is mass?

• Mass is a measure of the temperature of an object.
• Mass is a measure of the amount of matter ("stuff") in an object.

• Mass is a measure of the speed of an object.
• Mass is a measure of the volume of an object.

What is a force?

• • A type of food.

• • A push or a pull on an object.

• • The color of an object.

• • A sound an object makes.

The amount of matter (stuff) in an object is called _____?

The force of gravity on you is called _______

What does gravitational force do?

• • Makes things float.

• • Pulls things toward each other.

• • Changes the color of objects.

• • Makes sounds louder.

What is microgravity?

• • Gravy that you can put in a microwave.

• • Gravity that you can see under a microscope.

• • A situation where a gravitational force is very weak.

• • A situation where a gravitational force is very strong.

Why do astronauts float inside their spacecraft when orbiting Earth?

• Because there is zero gravity in space.

• Because the spacecraft is moving very fast.

• The Earth's gravity is still pulling on them but they're falling very slowly, because of microgravity.

• Because they have special boots that make them float.

What happens when things fall from the sky?

• Things slow down when they fall because of the air.

• Things speed up when they fall because of the air.

• The air doesn't do anything to things when they fall.

• The color of things changes when they fall because of the air.

If I dropped a feather and a rock at the same time,

but there is no air and only gravitational force, what would happen?

• The rock would land first because it has more mass.

• The feather would land last because it has less mass.

• They would hit the ground at the same time.

• The feather would float away like an astronaut because of microgravity.