Science Flashcard

Front

What is gravity?

Back

Gravity is a force that pulls objects toward each other, like how the Earth pulls us down.

Front

How does gravity affect a ball when dropped?

Back

When you drop a ball, gravity pulls it down to the ground.

Front

What type of energy does a fan in a hair dryer use to move air?

Back

The fan uses mechanical energy to move air.

Front

What are the inner planets of our solar system?

Back

The inner planets are Mercury, Venus, Earth, and Mars.

Front

What is a rotation of the Earth?

Back

A rotation of the Earth is when it spins on its axis, taking about one day.

Front

What is a revolution of the Moon?

Back

A revolution of the Moon is when it orbits around the Earth, taking about one month.

Front

What is the order of the outer planets from the Sun?

Back

The order of the outer planets is Jupiter, Saturn, Uranus, and Neptune.

Front

What is mechanical energy?

Back

Mechanical energy is the energy that an object has due to its motion or position.

Front

What happens when you roll a ball on the floor?

Back

When you roll a ball, it moves because of the force you applied and gravity.

Front

What is the difference between rotation and revolution?

Back

Rotation is spinning on an axis, while revolution is moving around another object.