5th Grade Science Review

Front

What is energy?

Back

Energy is the ability to do work or cause change. It exists in various forms, such as thermal, electrical, and sound energy.

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter. The hotter the substance, the more thermal energy it has.

Front

What is electrical energy?

Back

Electrical energy is the energy caused by the movement of electrons. It powers devices like lights and computers.

Front

What is light reflection?

Back

Light reflection is when light bounces off a surface, such as a mirror, allowing us to see images.

Front

What is refraction?

Back

Refraction is the bending of light as it passes from one medium to another, like from water to air, causing objects to appear bent.

Front

What is sound energy?

Back

Sound energy is the energy produced by vibrating sound waves, which can be heard when they reach our ears.

Front

What happens to salt when it dissolves in water?

Back

When salt dissolves in water, its grains get smaller in size until they can no longer be seen, but the salt remains in the solution.

Front

What is a mirror?

Back

A mirror is a reflective surface that bounces light back, allowing us to see our reflection.

Front

What is the main function of eyeglasses?

Back

Eyeglasses help correct vision by bending light rays to focus them properly on the retina.

Front

What is the difference between reflection and refraction?

Back

Reflection is the bouncing back of light, while refraction is the bending of light as it passes through different materials.