What is matter?
Matter is anything that has mass and takes up space.
What are the three main states of matter?
Solid, liquid, and gas.
True or False: Light is a form of energy.
True!
What happens when light bounces off a surface?
Reflection
What is mass?
Mass is the amount of matter in an object.
What is a solid?
A solid has a definite shape and definite volume.
What is light?
Light is a form of energy that allows us to see.
What is reflection?
Reflection is when light bounces off a surface.
What is a particle?
A particle is a small piece or unit of matter.
What is a liquid?
A liquid has a definite volume but takes the shape of its container.
What color is light?
Red, orange, yellow, green, blue, indigo, and violet. Rainbow!
What is transmission?
Transmission is when light passes through a material.
What is an atom, and how is it different from a particle?
An atom is a small unit of matter that makes up an element. Particle is a more general term that can refer to an atom, molecule, or other small unit of matter.
What is a gas?
A gas has no definite shape or volume and spreads out to fill its container.
How does light usually travel?
Light travels in straight lines through a uniform material.
What is absorption?
Absorption occurs when matter takes in light energy.
Everything that has mass and takes up space is matter. True or False.
True
How are particles arranged differently in solids, liquids, and gases?
In a solid, particles are tightly packed and vibrate in place. In a liquid, particles are close together and can move past one another. In a gas, particles are farther apart and move freely.
How long does light take to travel to the Earth?
8 minutes!
What is refraction?
Refraction occurs when light changes direction as it passes from one material into another. The light bends.