Matter
What are the 3 phases of matter?
Solid, Liquid, Gas
Our class scale uses what unit of measurement?
A. Kilograms
B. Ounces
C. Milligrams
D. Grams
D. Grams
Density is whether an object can ______ or _______?
Sink or Float
Solubility is whether matter dissolves in what?
A. Air
B. Fire
C. Earth
D. Water
D. Water
Thermal conductivity is whether an object conducts what_______?
Heat
What is the volume of an object?
A. How much mass the object has
B. How much space the object takes up
C. How much water an object displaces
B. How much space an object takes up
If a rock weighs more than another rock, then it has more what?
A. Mass
B. Volume
C. Density
D. Answers A and C
A. Mass
Matter that is denser than ________ will sink.
Water
Matter that does not dissolve in water is called what?
Insoluble
Matter that holds onto heat is a good what?
Insulator
What is the physical property of matter? (Daily Double)
A. Properties of matter that can be tested, measured, or observed
B. Properties of matter that can you can physically touch and see
C. The physical space that an object takes up
A. Properties of matter that can be tested, measured, or observed
Weight is the force exerted on an object by ________?
Gravity
What is an example of an object that is less dense than water?
Answers Vary
Which material does not dissolve in water?
A. Baking soda
B. Sugar
C. Oil
D. Vinegar
C. Oil
Name 3 items that are poor conductors of electricity.
Answers Vary
What is the definition of matter?
A. Anything with physical properties
B. Anything with mass or volume
C. Anything with form and shape
B. Anything with mass or volume
Which has the most weight?
A. Chevy Tahoe
B. Cadillac Escalde
C. Ford F-150
D. Honda Minivan
C. Ford F-150
What is the definition of density (Daily Double)
The degree of compactness of an object
The ends of a magnet are called the _______?
Poles
Thermal energy conducted through convection travels through what medium?
A. Direct contact
B. Through the air
C. Through photon transfer
D. It transfers without a medium. (None)
B. Through the air
What is the 4th rare phase of matter that is in lighting?
Plasma
What is the definition of mass?
Mass is the amount of matter in an object.
If an object floats then you would describe it as having ________?
Buoyancy
Which material is not magnetic?
A. Steel
B. Aluminum
C. Nickel
D. Cobalt
B. Aluminum
Why are electrical wires wrapped in rubber, like the computer TV cord or your phone charger?
Wires are made of good conductors of electricity like copper. They are wrapped by good insulators like rubber so that electricity does not cause a fire or electrocute someone.