The amount of space an object takes up is its _____________.
volume
Fill in the blank: Gas is one _______________.
How does heat change the state of matter?
-It decreases the movement of the molecules.
-It increases the movement of the molecules.
-It keeps the movement of the molecules the same.
It increases the movement of the molecules.
Fill in the blank: The amount of a substance that can be dissolved in another substance is the measure of its ___________.
solubility
Who was the first woman to receive the Noble Prize?
Marie Curie
___________ is the measure of the amount of matter an object has.
mass
In which state of matter are particles tightly packed together?
solid
When solids get warm enough, what do they become?
liquids
Fill in the blank: If particles settle out of a mixture, the mixture is a ____________.
suspension
What did Marie Curie and her husband discover?
radium
Mass divided by volume is ___________.
density
In which state of matter do particles move the fastest?
gas
When liquids cool down enough, what do they become?
solids
Which of these is an example of a solution?
-granola
-pizza
-iced tea
-salad
iced tea
What does Peter Daum study?
pollution that is in Earth's atmosphere
Which of these is matter?
-a dream
-a book
-an idea
-happiness
a book
In which state of matter do the molecules slide around taking the shape of their container?
liquid
What does liquid water become when it is heated?
a gas (water vapor)
Which of these is a mixture?
-pail of sand and soil
-copper wire
-pure gold ring
-pinch of salt
pail of sand and soil
Why is it important to know how much pollution is in the air?
It helps law-makers make decisions about air pollution.
Which of these probably has the most mass?
-an apple
-a brick
-a balloon
-a golf ball
a brick
Which state of matter has no definite shape or volume?
gas
Why do we get condensation (water droplets) on the outside of a cold drink?
When water vapor hits a cooler surface it condenses to liquid.
In our experiment, which was the solution?
-rice in water
-coarse sugar in water
-powdered sugar in water
powdered sugar in water
Why is working radiation important?
Doctors use it to find and treat diseases.