5th Grade Science Review

Front

What is a mixture?

Back

A mixture is a combination of two or more substances where each substance retains its own properties.

Front

What happens when oil and water are mixed?

Back

Oil floats on top of water because it is less dense than water.

Front

What does it mean for a substance to maintain its physical properties?

Back

It means that the substance keeps its original characteristics, such as color, shape, and density, even when mixed with another substance.

Front

What is reflection of light?

Back

Reflection is when light bounces off a surface, such as a mirror or tinted window.

Front

What is absorption of light?

Back

Absorption is when light is taken in by a substance, converting it to other forms of energy.

Front

What is refraction of light?

Back

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

Front

What is density?

Back

Density is the mass of a substance divided by its volume, determining whether it will float or sink in a liquid.

Front

What is electrical energy?

Back

Electrical energy is the energy caused by the movement of electrons, used to power devices.

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter, related to the motion of particles.

Front

What is a circuit?

Back

A circuit is a closed path through which electric current flows.