10 terms

Particles in Motion

These words go with the Science Court "Particles in Motion."
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particles
tiny pieces of matter
atoms
the smallest particles of an element
molecules
2 or more atoms that are tightly joined together
element
a substance that is made up of only one type of atom
matter
anything that has mass and takes up space
expand
to grow in size, amount, or volume; to get bigger
contract
to shrink down in size; to get smaller
thermostat
a device that works by reacting to the changing temperatures around it
materials
different types of matter
characteristics
features that help identify or distinguish a person or thing