SCIENCE SC

Front

What is potential energy?

Back

Potential energy is the energy stored in an object due to its position or state. For example, a marble at the top of a hill has potential energy because of its height.

Front

What is kinetic energy?

Back

Kinetic energy is the energy of an object in motion. The faster an object moves, the more kinetic energy it has.

Front

At which location does a marble have maximum kinetic energy when rolling down a track?

Back

The marble has maximum kinetic energy at the lowest point of the track, which is Location Y.

Front

What type of wave requires a vibration to travel?

Back

A sound wave requires a vibration to travel.

Front

How is energy transferred in a longitudinal wave?

Back

Energy is transferred in a longitudinal wave by compressing and expanding the medium.

Front

What are the three phases of matter?

Back

The three phases of matter are solids, liquids, and gases.

Front

Which phase of matter is the least compressible?

Back

Solids are the least compressible phase of matter.

Front

What is a pure substance?

Back

A pure substance is made of only one type of atom or molecule and cannot be separated into other substances by physical means.

Front

What is a chemical symbol?

Back

A chemical symbol is a notation that represents a chemical element, consisting of one or two letters, such as 'O' for oxygen.

Front

What is the difference between a mixture and a pure substance?

Back

A mixture contains two or more different substances that can be separated, while a pure substance consists of only one type of particle.