WorksheetsUnit 1a Review
Total questions: 44
Worksheet time: 21mins
TRUE or FALSE: In order to change the state of matter, you need increase or decrease the energy (heat).
TRUE
FALSE
TRUE or FALSE: The particles in solids move around a lot and spread out.
TRUE
FALSE
TRUE or FALSE: Liquids have a fixed volume but not a fixed shape.
TRUE
FALSE
TRUE or FALSE: Gases have the least kinetic energy out all 3 states of matter.
TRUE
FALSE
Phase change from liquid to gas is called:
Freezing
Condensation
Vaporization
Sublimation
Phase change from solid to gas is called:
Freezing
Condensation
Vaporization
Sublimation
Phase change from liquid to solid is called:
Melting
Freezing
Deposition
Condensation
Phase change from gas to liquid is called:
Melting
Freezing
Deposition
Condensation
Phase change from gas to solid is called:
Sublimation
Freezing
Deposition
Vaporization
When changing a substance from liquid to solid, the energy has to...
INCREASE
DECREASE
When changing a substance from gas to liquid, the energy has to...
INCREASE
DECREASE
When changing a substance from liquid to gas, the energy has to...
INCREASE
DECREASE
Which of the following statements is NOT true about gases?
Gases do not have fixed shape or volume
Gas particles do not move much, but vibrate
Gas particles have a lot of free space
Unlike solids, gases can be compressed
Which of the following statements is true about liquids?
Particles do not move around much, but vibrate
Particles have a lot of free space and spread out
Liquids have fixed shape & volume
Particles are less closely packed than solids
Which of the following statements is true about phase changes?
Solid turning into liquid is called freezing
When ice melts, the kinetic energy is decreased
Liquid turning into gas is called condensing
When water boils, the kinetic energy is increased
Which of the following statements is true about solids?
Particles do not move around much, but vibrate
Particles have a lot of free space and spread out
Solids have fixed shape but not volume.
Particles are less closely packed than gas.
Look at the picture. Which state of matter is in beaker C?
Solid
Liquid
Gas
Blue thingys
Look at the picture. Which state of matter is in beaker A?
Solid
Liquid
Gas
Blue thingys
What is melting? (Definition)
When liquid turns in solid.
When solid turns into gas.
When gas turns into liquid.
When solid turns into liquid.
What is sublimation? (Definition)
When liquid turns in solid.
When solid turns into gas.
When gas turns into solid.
When solid turns into liquid.
The diagram shows
element
mixture
compound
Which if the following is described as being pure substances?
elements
compounds
elements and compounds
mixtures
What is the smallest part of an element that retains the properties of the element?
atom
molecule
compound
subatomic particles
The law of Conservation of Mass states
matter can be created and destroyed
matter takes up space
matter cannot be created or destroyed
matter has a new mass after a chemical reaction
What happens to atoms in a chemical reaction?
they are destroyed
they are created
they are rearranged
Lynn had 100 mg of water and 50 mg of salt. She then combined the water and the salt and a chemical reaction occurred. What is the mass at the end of her experiment?
50
100
150
Does the image correctly represent the Law of Conservation of Mass?
yes
no
When a log is burned, what happens to the wood?
The mass stays the same, but becomes smoke and ash.
It disappears.
The mass changes as it goes away.
Nothing. You're imagining things.
