Physical And Chemical Changes Question Preview (ID: 45189)


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When two substances are mixed together, and those two substances are evenly distributed and equally spread out, it is called a...
a) solution
b) mixture
c) potion
d) suspension

Solubility refers to...
a) an object's ability to dissolve in water
b) an object's ability to create new matter
c) an object's ability to float in water
d) an object's ability to solve a math problem

Buoyancy refers to..
a) an object's ability to dissolve in water
b) an object's ability to bounce
c) an object's ability to float in water
d) an object's ability to leap tall buildings in a single bound

According to the Law of Conservation of Mass, when ice cream melts, its total mass will
a) decrease
b) increase
c) stay the same
d)

Which of the following is NOT a chemical change?
a) baking cookies
b) metal rusting
c) slicing bread
d) frying an egg

Water evaporating is an example of a
a) physical change
b) chemical change
c)
d)

If two substance are mixed in a sealed container, and a gas is created, it is an example of a
a) physical change
b) chemical change
c)
d)

If two substance are mixed in a sealed container, and a gas is created, the total mass of the container should
a) increase
b) decrease
c) stay the same
d)

I think Ballroom Dancing will be...
a) My new favorite thing in the world.
b) Kind of fun.
c) Just OK.
d) My worst nightmare.

Trail mix would be an example of a
a) solution
b) mixture
c)
d)

When two substances are mixed together, and those two substances are not evenly distributed, or equally spread out, it is called a...
a) potion
b) suspension
c) mixture
d) solution

Which of the following is NOT an example of a solution?
a) Mixing salt in water
b) Mixing sand in water
c) Mixing sugar in water
d) Mixing food coloring in water

According to the Law of Conservation of Mass...
a) new matter can never be made or lost
b) new matter can be made, but not lost
c) new matter can be lost, but not made
d) new matter can be made or lost

What type of change cannot be undone?
a) Physical Change
b) Chemical Change
c)
d)

Which of the following is NOT a sign of a Chemical Change?
a) Heat or light is created.
b) A gas is created.
c) A change in taste
d) A change in color.

Dissolving sugar in water is an example of a
a) chemical change
b) physical change
c)
d)

An ice cube melting is an example of a
a) physical change
b) chemical change
c)
d)

When matter changes SHAPE, or FORM, but the molecular structure stays the same, what type of change occured?
a) Physical Change
b) Chemical Change
c)
d)

When matter changes on a MOLECULAR level, resulting in the formation of a NEW substance, what type of change has occured?
a) Physical Change
b) Chemical Change
c)
d)

What type of change can usually be undone?
a) Physical Change
b) Chemical Change
c)
d)

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