Earth, Space, and Gravity Quiz

What is gravity?

• A push between objects

• Wind moving objects

• A force of attraction between two objects

Why do all objects fall at the same rate in a vacuum (no air)?

• Because of weight

• Because air resistance is removed

• Because of their color

What causes a skydiver to slow down after the parachute opens?

• Less gravity

• Air pushing against the parachute

• The parachute pulling upward

What always pulls objects toward the center of Earth?

• Earth's gravity

• Earth's wind

• Earth's atmosphere

What keeps Earth and other planets in orbit around the sun?

• Air pressure

• The sun’s gravity

• Magnetic pull

Why do artificial satellites stay in orbit around Earth?

• Because they are made of metal

• Because of Earth’s gravity

• Because of wind currents

What is Earth’s rotation?

• Its path around the sun

• Spinning on its axis

• Floating in space

How long does one full rotation of Earth take?

• One year

• One day

• One week

What causes day and night?

• Earth’s rotation

• Moon’s orbit

• Sun’s revolution

What direction does Earth rotate?

• East to west

• West to east

• North to south