Column 1
What are the different states of matter?
solids, liquids, gas
What is the ability to do work called?
energy
Is air an example of matter?
air
What happens to water when it freezes?
water expands when it freezes
What is the temperature at which a liquid changes into a solid?
a freezing point
What type of graph shows parts of a whole?
circle graph
What type of graph compares different amounts?
a bar graph
What type of graph shows how things change over time?
a line graph
What are the particles that make up a molecule called?
atoms
What is the temperature at which a solid changes into a liquid?
melting point
What is a way to describe or sort matter called?
property
What is the temperature at which a liquid rapidly changes into a gas?
boiling point
What is the part of a solution that dissolves another substance?
solvent
What are the parts of an experiment that stay the same called?
controlled variables
What is the part of a solution that is dissolved?
solute
What is the dependent variable in an experiment?
the part of the experiment that is measured to test results
What is a property that can be observed or measured?
a physical property
What are tiny particles that make up matter called?
molecules
What is a scientific conclusion based on?
evidence
What is observing?
looking at something carefully
How does the density of solid molecules compare to that of liquids?
the molecules of a solid are more dense than molecules of liquids
What is volume?
the amount of space matter takes up
How does the size of an atom compare to a molecule?
at atom is smaller
What is data?
collection of facts
What is matter?
a physical substance that has weight and takes up space.