10 g of rice mixed with 10 g of sand would have a mass of
What is 20 g?
100
any change in the state of matter is this type of change
What is physical?
100
state of matter that has a definite volume and definite shape
What is solid?
200
changing a solid to a liquid
What is melting?
200
a measure of the amount of matter
What is mass?
200
mass of a cardboard sculpture is made with two pieces of cardboard that have a mass of 15 g each. (No glue or tape is used.)
What is 30 g?
200
this type of change creates something new
What is chemical?
200
state of matter that has definite volume, but not a definite shape
What is liquid?
300
changing from a liquid to a gas
What is boiling?
300
a measurement of the pull of gravity on a substance or matter
What is weight?
300
mass of a pile of trail mix that has 10 g of peanuts, 15 g of raisins, and 10 g of MM's
What is 35g?
300
cutting something or changing its shape is this type of change
What is physical?
300
state of matter that does not have a definite volume or definite shape
What is gas?
400
changing from a gas to a liquid
What is condensation?
400
boiling point of water
What is 100 degrees C and 212 degrees F
400
The mass of a container and its contents is 50 g. It contains 20 g of salt and 25 g of water. What is the mass of the container?
What is 5 g?
400
burning paper would be this type of change
What is chemical?
400
the molecules are locked in place and only vibrate
What is solid?
500
a calculation that describes the concentration of molecules/atoms in a substance
What is density?
500
freezing point of water
What is 0 degrees C and 32 degrees F?
500
An alka-seltzer tablet and water are combined in a bottle that has a mass of 30 g. After the experiment, the cap is taken off and the bottle now has a mass of 27 g. Approximately how much carbon dioxide was released when the cap was removed?
What is 3 g?
500
2 clues that indicate a chemical change has occured
What is changing color, producing gases, making heat, or making light