What is temperature at which a substance begins to change from liquid to gas.
100
Mass
What is the amount of matter in something.
100
Solvent
What is the substance that dissolves a solute.
100
At sea level water boils at 100 degrees Celsius. On top of Mount Everest water boils at 71 degrees Celsius. Explain the difference.
What is air pressure.
100
A lead bar that is 12 centimeters long, 2 centimeters wide and 2 centimeters tall has a density of 11.3 grams per centimeter cubed. If you cut the ball in half, what is the density of one of the halves?
What is 11.3 centimeters cubed (the same)
200
Condensation
What is phase change from gas to liquid.
200
Melting point
What is temperature at which at which a substance begins to change from solid to liquid.
200
Sublimation
What is phase change from solid to gas.
200
If 10 kg of iron melt at 1538 degrees Celcius at what temperature will 5 kg of iron melt?
What is 769 degrees Celcius.
200
In salt water, which is the solute and which is the solvent?
What is the solute is the salt and the solvent is water.
300
Density
What is amount of mass in a given volume.
300
Physical change
What is change in physical properties of a substance.
300
Volume
What is the amount of space an object occupies.
300
Suppose a 100 mL graduated cylinder contains 40 mL of water, if you put a stone with a volume of 12 cm cubed into the graduated, what will the water level raise to?
What is 52 mL.
300
How much salt will completely dissolve in 200 grams of water at 0 degrees Celcius?
What is 71.4 grams (35.7x2=71.4)
400
Deposition
What is phase change from gas to solid.
400
Solubility
What is the amount of a substance that will dissolve in a given amount of another substance.
400
Suppose you inflate a balloon at room temperature and put it in a freezer and come back an hour later. What will the balloon look like.
It will be shriveled up and be deflated.
400
What is the density of a cube with the side of 4 cm and a mass of 512 grams?
What is 8 grams per centimeters cubed (4x4x4=64 512/64=8)
400
What is the formula for calculating density?
What is mass divided by volume. (d=m/v)
500
Heat energy
What is form of energy arising from the motion of particles.
500
Solute
What is the substance dissolved by the solvent.
500
Put the correct phase change for each statement.
1. A pot of water boils away.
2.Water vapor forms frost on a window.
3. Water vapor in a cloud forms to rain.
4. Ice in Antarctica goes directly in the atmosphere.