| Matter | Physical Properties | Changes of States | Chemical Properties | Random |
| 10 | 10 | 10 | 10 | 10 |
| 20 | 20 | 20 | 20 | 20 |
| 30 | 30 | 30 | 30 | 30 |
| 40 | 40 | 40 | 40 | 40 |
| 50 | 50 | 50 | 50 | 50 |
| Final Question | ||||
The oxygen that we breathe is a molecule made of two oxygen atoms.
The oxygen that we breathe is a molecule made of two oxygen atoms.
True
Molecules are particles that have more than _____ atoms joined together.
Molecules are particles that have more than _____ atoms joined together.
one
An atom is the _____ unit of an element.
An atom is the _____ unit of an element.
smallest
Electrons are much smaller than protons and neutrons. They have about _____ times less mass.
Electrons are much smaller than protons and neutrons. They have about _____ times less mass.
1,800
a particle with one unit of positive charge
a particle with one unit of positive charge
proton
Mass is measured in pounds.
Mass is measured in pounds.
False. Mass is measured in grams and kilograms.
Materials such as glass, rubber, and plastic are all called _____.
Materials such as glass, rubber, and plastic are all called _____.
insulators
this measures how much space matter takes up
this measures how much space matter takes up
volume
a resistance to sinking
a resistance to sinking
buoyancy
amount of matter in an object
amount of matter in an object
mass
What is needed in order to change the state of matter?
What is needed in order to change the state of matter?
energy
When it rains, _____ happens as gas changes to liquid and falls to the ground.
When it rains, _____ happens as gas changes to liquid and falls to the ground.
condensation
Oxygen molecules are usually found as a gas, but at very low temperatures, they can become a(n) _____.
Oxygen molecules are usually found as a gas, but at very low temperatures, they can become a(n) _____.
liquid
Most bridges and buildings have _____ joints to allow the object’s volume to change with heat.
Most bridges and buildings have _____ joints to allow the object’s volume to change with heat.
expansion
process that changes a gas into a liquid
process that changes a gas into a liquid
condensation
Sulfuric acid and nitric acid are both commonly used acids.
Sulfuric acid and nitric acid are both commonly used acids.
True
Elements in the far-left columns of the periodic table are alkali metals.
Elements in the far-left columns of the periodic table are alkali metals.
True
One chemical property of a substance is its _______, or whether or not it can catch fire.
One chemical property of a substance is its _______, or whether or not it can catch fire.
flammability
a way a substance reacts with another substance
a way a substance reacts with another substance
chemical property
the process of a liquid changing into a gas
the process of a liquid changing into a gas
evaporation
a smaller particle with one unit of negative electric charge
a smaller particle with one unit of negative electric charge
electron
smallest unit of an element
smallest unit of an element
atom
the temperature at which something boils
the temperature at which something boils
boiling point
a particle with no electrical charge
a particle with no electrical charge
neutron
decrease in volume due to change in heat
decrease in volume due to change in heat
thermal contraction
Name as many physical properties as you can. There are at least 15 from this chapter.
Name as many physical properties as you can. There are at least 15 from this chapter.
mass, weight, volume, density, color, hardness, odor, magnetism, buoyancy, conductor/insulator, malleable, ductile, state, melting/freezing point, boiling point
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