Mixture
What is the best way to separate a mixture of iron filings and sand?
Use a Magnet
A solution is best described as
A type of mixture where substances are evenly spread out
Which of the following is NOT a way to separate a mixture?
Burning until it disappears and nothing is left
Filtering
Magnet
Burning until it disappears and nothing is left
When saltwater is heated until the water evaporates, what is left behind?
Salt
Which of the following is a mixture?
Salt
Water
Air
Gold
Air
If you weigh a sealed container of ice and let it melt, what will the mass be afterward?
The same as before
Matter is always conserved, even when it changes form
True or False
True
If you burn a log in a campfire, where does the matter go?
It turns into ash, gases, and energy
What does the Law of Conservation of Matter state?
Matter cannot be created or destroyed, only changed
What does the Law of Conservation of Matter state?
Matter cannot be created or destroyed, only changed