Show:
Properties of Matter
Properties of Matter 2
Properties of Matter 3
States of Matter
Conductors & Insulators
100
What is a property?
a characteristic or trait
100
What does it mean if something floats in water?
It is less dense (than water)
100
Name 2 things that are less dense than water.
oil, cork, wood block, etc.
100
Describe the molecules of a solid.
They are very close together and don't move around very much.
100

Metal is a ____________ of electrical and thermal energy

conductor

200
What is solubility?
matter's ability to dissolve or not dissolve in water
200
What does it mean if something sinks in water?
It is more dense (than water)
200
Name 2 things that are more dense than water.
paper clip, metal, etc.
200
What is it called when a liquid changes to a solid?
freezing
200

The metal on the inside of a wire is a ____________.

conductor

300
Name 2 substances that are soluble in water.
salt, sugar, laundry detergent, chocolate milk mix, kool-aid mix, etc.
300

Magnets attract __________ metals

some or certain, NCIS

300
What will happen if you mix oil and water together? Why?
The oil will float on top of the water because it is less dense than the water.
300
What is it called when a liquid changes to a gas?
evaporation
300

The plastic on the outside of a wire is an _________

insulator

400
Name 2 substances that are insoluble in water.
Sand, pepper, etc.
400

What changes and stay the same about salt and water when they are combined to make a solution?

The appearance of the salt changes but the taste of the salt remains the same

400
What would be an easy way to separate a mixture of sand and iron filings?
Use a magnet to pick up the iron filings.
400
What is it called when a solid changes to a liquid?
Melting
400

If a balance is level, straight across, what does that mean?

both sides weigh the same

500
What is relative density?
Whether something will sink or float.
500

Why does sand not become magnetic after mixing with iron filings?

Because the physical properties of mixtures remain the same and do not transfer over 

500
What is the difference between a mixture and a solution?
A mixture is usually solid and is easy to separate. A solution is usually liquid and cannot be easily separated.
500
What is it called when a gas changes to a liquid?
Condensation
500

Why can't I see whats inside of a blown up balloon?

the particles are too small to see