Changes in Matter Flashcards
(16 cards)
A change that does not create new matter
Physical Change
Matter that will keep its shape and volume when placed in a new container
Solid
Matter that will take the shape of the bottom of its container
Liquid
Matter that will expand or compress to fill a space and take its space
Gas
When frozen ice turns into liquid water (adding heat)
Melting
When liquid water turns into solid ice (removal of heat)
Freezing
When liquid water turns into a gas (adding heat)
Evaporation
When water vapor turns back into a liquid (removal of heat)
Condensation
A permanent transformation that results in new matter
Chemical Change
Thermal engry that speeds up changes
Heat
Able to change back to what it was before
Reversible
A strong smell that may indicate new matter forming
Odor
Adding heat to food (also requires oxygen)
Cooking
Adding moisture to metal over years (also requires oxygen and heat)
Rust
Dead organisms breaking down
Decaying
Using a fire or flames to turn matter into ash
Burning