Role of Gravity

Multiple Choice

The strength of gravity is affected by the total mass and the ...

• mass

• distance

• color

• letter of the alphabet

Multiple Choice

Things fall down to the ground because ________ pulls them down.

• gravity

• friction

• a string

• Mr. Noyes

Multiple Choice

How would gravity help the flight of an airplane?

• It pushes up to keep the plane flying

• It moves the plane forward when the pilot speeds up

• It pulls the plane down when the pilot slows down

Open Ended

Phoebe learned she weighs 90 pounds on Earth and 15 pounds on the Moon.

Why does the weight change depending on the location?

Multiple Choice

A __________ is a space rock that enters the Earth's atmosphere.

It burns up before it hits the ground.

• Meteor

• Meteorite

Multiple Choice

A __________ is a space rock that enters the Earth's atmosphere and hits the surface. The crater in Arizona is an example of this activity.

• Meteor

• Meteorite

Multiple Choice

TRUE OR FALSE:

A shooting star is not really a star. It is a meteor burning in the atmosphere.

• TRUE

• FALSE

Multiple Choice

How does a space rock become a meteor?

• It floats around in space

• You can see it with a telescope

• It enters Earth's atmosphere

Multiple Choice

Cause and Effect explains ...

• how to do something

• why things happen

• how to spell something

Multiple Choice

Cause: Einstein and other scientists have made important discoveries about how gravity works.

Effect: Today's scientists use technology that ...

• use their ideas and theories to learn more and create better technology

• ignore their findings

• quit their jobs and go on vacation