science 1
science 2
science 3
science 4
science 5
1
True or false? Plasma is a state of matter.
true or false
1
molecules
1
What is it called when a solid changes directly into a gas?
Sublimination
1
When a gas reaches its condensation point it becomes a what?
Liquid
1
True or false? Solids do not take the shape of the container they are in.
True
20
How many states of matter
3
20
It is the smallest particle of matter
Proton
- Neutron
- Electron
- Molecule
proton
20
True or false? Gases are hard to compress.
False
20
True or false? Liquids are easy to compress.
false
20
Which has the least energetic molecules?
Which has the least energetic molecules?
Solids
Liquids
Gases
Plasmas
solid
300
You may find plasma in a star.
True
False
true
300
What force pulls liquids towards the ground?
Pressure
Temperature
Gravity
Centrifugal
gravity
300
When a substance goes from being a solid to a liquid, it is a...
Chemical Change
Physical Change
Physical Change
300
Which of these choices will NOT change the state of matter?
Temperature
Crushing a Crystal
Pressure
Electricity
Crushing a Crystal
300
If you leave water in a glass and some molecules turn into a gas, it is called...
Egasoration
Evaporation
Extinction
Solidification
Evaporation
4000
Smoke is an example of ______.
A.
solid
B.
gas
gas
4000
Which of these choices is NOT an example of a plasma?
Aurora Borealis
Fluorescent Light Bulb
Neon Sign
Incandescent Light Bulb
Incandescent Light Bulb
4000
What is usually the total charge of a plasma?
Positive
Negative
Neutral
Neutral
4000
Matter is made up of tiny particles called ______.
A.
atoms
B.
coins
atoms
4000
An example of a solid is ______.
A.
honey
B.
book
book
50000
When a gas changes into a liquid it is called what?
Condensation
50000
true or false Atoms in a liquid are farther apart than the atoms in a gas
False
50000
When a solid changes to a liquid it is called what?
Melting
50000
True or false? The particles of a gas are packed tightly together.
False
50000
When solids reach their melting points they become what?
Liquids