Physical Properties
States of Matter
Changing States of Matter
Mixtures and Solutions
People in Science
100

The amount of space an object takes up is its _____________.

volume

100

Fill in the blank: Gas is one _______________.

state of matter
100

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.

100

Fill in the blank: The amount of a substance that can be dissolved in another substance is the measure of its ___________. 

solubility

100

Who was the first woman to receive the Noble Prize?

Marie Curie

200

___________ is the measure of the amount of matter an object has.

mass

200

In which state of matter are particles tightly packed together?

solid

200

When solids get warm enough, what do they become?

liquids

200

Fill in the blank: If particles settle out of a mixture, the mixture is a ____________.

suspension

200

What did Marie Curie and her husband discover?

radium

300

Mass divided by volume is ___________.

density

300

In which state of matter do particles move the fastest?

gas

300

When liquids cool down enough, what do they become?

solids

300

Which of these is an example of a solution?

-granola

-pizza

-iced tea

-salad

iced tea

300

What does Peter Daum study?

pollution that is in Earth's atmosphere

400

Which of these is matter?

-a dream

-a book

-an idea

-happiness

a book

400

In which state of matter do the molecules slide around taking the shape of their container?

liquid

400

What does liquid water become when it is heated?

a gas (water vapor)

400

Which of these is a mixture?

-pail of sand and soil

-copper wire

-pure gold ring

-pinch of salt

pail of sand and soil

400

Why is it important to know how much pollution is in the air?

It helps law-makers make decisions about air pollution.

500

Which of these probably has the most mass?

-an apple

-a brick

-a balloon 

-a golf ball 

a brick

500

Which state of matter has no definite shape or volume?

gas

500

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.

500

In our experiment, which was the solution?

-rice in water

-coarse sugar in water

-powdered sugar in water

powdered sugar in water

500

Why is working radiation important?

Doctors use it to find and treat diseases.