Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded together.

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 is density?

Back

Density is the mass of a substance divided by its volume, indicating how much matter is packed into a given space.

Front

What is refraction?

Back

Refraction is the bending of light as it passes from one medium to another, changing its speed.

Front

What is reflection?

Back

Reflection is the bouncing back of light when it hits a surface.

Front

What is absorption in terms of light?

Back

Absorption is when light is taken in by a material and not reflected or transmitted.

Front

What is the main function of a mirror?

Back

The main function of a mirror is to reflect light, allowing us to see our image.

Front

What does it mean for an object to maintain its physical properties?

Back

It means that the object's characteristics, such as shape and density, remain unchanged.

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 electrical energy?

Back

Electrical energy is the energy caused by the movement of electrons.