Test Vocabulary
What are atoms?
particles move the fastest in this form
What is a gas?
When a solid becomes a liquid, it is called...
What is melting?
The question we were investigating in the balloon activity
Does air have mass (weight)?
Anything that has mass and takes up space.
What is matter?
how much matter is in an object
What is mass?
What is a solid?
When a liquid becomes a gas, it is called...
What is evaporation?
If the balloons without air are lower on the balance than the balloons with air, it means ...
Air does not have mass (weight).
The variable that is measured in the investigation.
What is the dependent variable?
a drawing, sculpture, or description that helps explain how something works
What is a model?
When adding heat to a liquid it becomes..
What is a gas?
When a liquid becomes a solid, it is called...
What is freezing?
If the balloons with air are lower on the balance than the balloons without air, it means...
Air has mass (weight).
What is the independent variable?
the amount of space an object takes up
What is volume?
When cooling a liquid, it becomes a ..
What is a solid?
When a gas becomes a liquid, it is called...
What is condensation?
Blowing up a balloon or a beach ball proves that....
Air takes up space.
When two or more different types of atoms are combined
What is a compound?
any two or more atoms joined together
What is a molecule?
When a gas is cooled, it forms a ....
What is a liquid?
When a solid turns directly into a gas, it is called...
What is sublimation?
In the investigation, we proved that...
Air has mass (weight).
The parts of the investigation that are purposely kept the same to make the test fair.
What are the control variables?