The Basics
What is physical science?
The study of matter and energy.
What particle has a positive charge?
Protons
What elements make up a water molecule?
Hydrogen and Oxygen
What are the states of matter?
solid, liquid, gas
What is "an object’s ability to soak up another substance?"
absorbency
What are the subareas of physical science?
Chemistry and Physics
What particle has a neutral charge?
Neutrons
What element do we need to breathe?
Oxygen
What change in matter happens at the boiling point?
liquid to gas
What is, "how easily matter’s shape can be changed?"
Malleability
Matter
What particle has a negative charge?
Electrons
What element is used to make table salt?
Sodium
What change in matter happens at the freezing point?
liquid to solid
What is the "measure of how difficult it is to scratch or crush a type of matter?"
hardness
What is "the amount of matter that makes up an object?"
Mass
What do atoms look like in a solid?
Tightly packed
What element is used to make coins?
Nickel
What change in matter happens at the melting point?
solid to liquid
Knowing the properties of matter helps us to match materials to the proper _________.
What are the subareas of physical science?
chemistry and physics
Which state of matter has atoms that are very spread out?
Gas
True or false: A chemical change is when a new substance is created.
True
Is a change in matter a physical or chemical change?
Physical
What are three properties of matter you use to describe aluminum foil?
conductive (metal)
reflective
malleable