Science #2 Review

Front

What is speed?

Back

Speed is how fast an object moves. It is the distance traveled in a certain amount of time.

Front

What is mechanical energy?

Back

Mechanical energy is the sum of potential energy and kinetic energy in an object.

Front

Which object has the least speed?

Back

A book lying on a table has the least speed.

Front

What is gravity?

Back

Gravity is the invisible force that pulls objects toward the Earth.

Front

What is the fifth planet from the Sun?

Back

Jupiter is the fifth planet from the Sun.

Front

What is a ramp?

Back

A ramp is a sloped surface that helps objects move from a lower to a higher place or vice versa.

Front

What happens to a marble on a higher ramp?

Back

A marble on a higher ramp will roll faster due to increased potential energy.

Front

What is the best model for the Sun?

Back

A large beach ball is the best model for the Sun.

Front

What is potential energy?

Back

Potential energy is the energy stored in an object due to its position or condition.

Front

What is kinetic energy?

Back

Kinetic energy is the energy of an object in motion.