Show:
States of Matter
Physical and Chemical Changes
Electricity
Magnetism
MISC
100
Why do atoms in a gas move so quickly?
They are spread out and have more room.
100

When Mr. T cut his hair, did he make a physical change or a chemical change?

Physical Change - his hair will grow back--stop laughing

100
Define conductors and insulators.
Conductors are materials that allow electrons to pass through them easily. Insulators are materials that do not allow electrons to pass through them.
100
The area around a magnet where it can pull or push is called _________________
magnetic field
100
Are mixtures and solutions physical or chemical changes?
Physical Changes
200

Which state of matter has the atoms closely packed together?

Solid

200
When a liquid turns into a gas, it is called __________
evaporation
200

What are the three things needed for a simple circuit

Load, Connectors and Power source

200
What kind of magnet is a permanent magnet?
bar magnet
200
Give an example of a mixture and an example of a solution.
Answers will vary...
300
When a gas turns to a liquid, it is called ___________
condensation
300
List three clues that fireworks are a chemical change.
gas produced, new smell produces, light produced, cannot be undone, heat produced
300

name three conductors and three insulators

A series circuit only has one path for electrons to flow. A parallel circuit has more than one path.

300
Which of these materials will a magnet attract? copper rubber iron plastic
Iron
300

What do you do to coils to make an electromagnet stronger?

More Coils!

400

What does adding heat to an object do to the atoms?

Gives the atoms more energy... makes them move more

400

What is another word for oxidation or oxidize

Rust

400

Which kind of circuit do we use in schools and other buildings?

We use parallel circuits because they allow us to have some devices on and some devices off. In a series circuit, all the lights would have to be on or all off at the same time.

400
Name the materials you need to make an electromagnet

battery, wires, nail, paper clips (or other metals)

400
How could you separate a solution of salt and water?
You could boil it. The salt would be left behind after the water evaporates.
500
Explain what happens to the atoms in water as it freezes to ice.
The atoms slow down and stop moving as much. The become closer together.
500

If carters missing swim towel was cut into pieces, does it go through a physical or chemical change?

Physical, but he will still lose all the pieces 

500

Riddle: If it's Open it's broken    If it's closed it flows


What am I?

A circuit

500

What are the two sides of the magnet?

North and South Pole

500

Name the two chinchillas

Kyle and Abby Lee