Matter
What is matter?
This is anything that has mass and takes up space.
What is mass?
This tells how much matter is in an object.
What is a solid?
This state keeps its shape.
What is melting?
When ice turns into water, it is called this.
What is an atom?
This is the smallest part of an element.
What is a rock?
A solid
What unit is mass measured in?
It is measured in grams (g).
What is a liquid? Give 2 examples.
This state takes the shape of its container. Milk and water.
What is freezing?
When water turns into ice, it is called this.
What is an element?
This is a substance made of only one kind of atom.
Is air matter? Why?
Yes, because it has mass and takes up space.
What is volume?
The space an object takes up.
What is a gas? Give 3 examples.
This state spreads out to fill any space. Oxygen, Carbon Dioxide, Helium
What is evaporation?
When liquid slowly turns into gas.
Name one element. Write its periodic symbol.
Oxygen, Hydrogen, Carbon....
Name one thing that is NOT matter.
light / sound
Which one changes on the Moon: mass or weight? Why?
Weight changes on the moon. It changes because the pull of gravity is difference.
What state are water droplets in a cloud?
It is gas (water vapor).
What is condensation? When does this happen.
When gas turns into liquid. When warm, moist air touches a cold surface.
What are the three parts of an atom?
They are protons, neutrons, and electrons.