Science Y7 Flashcards
Temperature
A measure of how hot or cold something is.
Evaporation
The transformation of water liquid to water vapour by energy from heat or air movements.
Condensation
The change of state from a gas to a liquid
Freezing
The change of state from a liquid to a solid
vibration
A repeated back-and-forth or up-and-down motion
Elastic Energy
the potential energy of an object that is stretched or compressed
Element
A pure substance made of only one kind of atom
Mixture
A combination of two or more substances that are not chemically combined
Compound
A substance made up of atoms of two or more different elements joined by chemical bonds
Dissolve
to mix completely with another substance to form a solution
kinetic energy
energy of motion
state of matter
A physical property that describes matter as a solid, liquid, or gas.
Science
An organized way of gathering and analyzing evidence about the natural world.
