Density
Define buoyancy.
The ability to float.
Define insulator.
Insulators do not transfer heat or electrical energy at contact.
Define magnetism.
The property of attraction to a magnet.
Define solubility.
The ability to dissolve in water.
What is the freezing point of water?
0 degrees Celsius
From the list, which object is buoyant when placed in water?
Iron nail, penny, aluminum foil, and metal bold.
Aluminum foil
Define conductor.
Conductors have the ability to transfer heat or electrical energy by contact.
Teresa has a paperclip, a penny, and a nickle. Which of the following is not magnetic?
Penny
True or False.
Sugar is soluble.
True
What is the boiling point of water?
100 degrees celsius
Which substance is less dense than water?
Sand, pepper, or iron fillings.
Pepper
Give one example of a conductor and an insulator.
Examples of conductors: silver, copper, aluminum foil, steel, bronze, and water.
Examples of insulators: rubber, wood, plastic, glass, and fabric.
Which metal is non-magnetic, iron, nickle, or aluminum?
Aluminum
True or False.
Sand is soluble.
False
What is the melting point of water?
0 degrees celsius.
Which is sand more or less dense than water?
More dense
Which objects conduct heat?
Wooden spoon, cotton, metal spoon, styrofoam, copper wire and gold ring.
Metal spoon, copper wire, and gold ring.
Which mixture can you separate using only a magnet?
Sand and iron fillings
or
Sand and Pennies
Sand and iron fillings
True or False.
Salt is soluble.
True
What tool can you use to measure the boiling or freezing points of water?
Thermometer
Which object would be the least dense in a tub of water?
Golf ball
Glass marble
Ping pong ball
Ping pong ball
Which of these is the best insulator of electricity?
Copper penny, plastic tubing, aluminum foil or metal washer.
Plastic tubing
True or False.
Copper is magnetic
False
Define insoluble.
Does not have the ability to dissolve.
Describe how the states of matter change when you boil water.
Liquid turns into a gas.