Front

What is energy?

Back

Energy is the ability to do work or cause change. It exists in various forms, such as kinetic, potential, thermal, and chemical.

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

What is potential energy?

Back

Potential energy is stored energy based on an object's position or state. For example, a ball held at a height has gravitational potential energy.

Front

What is the difference between comets and asteroids?

Back

Comets are made mostly of ice and dust, while asteroids are made mostly of rock and metal.

Front

What is chemical energy?

Back

Chemical energy is the energy stored in the bonds of chemical compounds, like batteries, which can be converted into other forms of energy.

Front

What is electrical energy?

Back

Electrical energy is the energy caused by the movement of electrons. It can be used to power devices and create motion.

Front

What is motion?

Back

Motion is the change in position of an object over time. It can be caused by applying energy.

Front

What is a solar system?

Back

A solar system is a collection of celestial bodies, including a star and the objects that orbit it, such as planets, moons, asteroids, and comets.

Front

What is the role of astronomers?

Back

Astronomers study celestial objects, such as stars, planets, comets, and galaxies, to understand the universe.

Front

What is a battery?

Back

A battery is a device that stores chemical energy and converts it into electrical energy to power devices.