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3655116
Classifying Matter, Properties and Changes
Description
Middle school level review of matter states and changes.
No tags specified
physics
science
chemistry
classifying matter, properties and changes
middle
Quiz by
waughj
, updated more than 1 year ago
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Created by
waughj
almost 9 years ago
13
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Resource summary
Question 1
Question
Which of these is a pure substance?
Answer
A bar of gold
Soil
Blood
Question 2
Question
A drop of melted wax falls on a table. It cools and becomes solid. How has it changed?
Answer
It not longer has a fixed volume
Its atoms have stopped moving
It has a fixed shape
Question 3
Question
Suppose that you examine an unknown liquid. You determine that it contains a single type of molecule. What is the liquid?
Answer
A pure substance
A heterogeneous mixture
A homogeneous mixture
Question 4
Question
An example of evaporation is when:
Answer
Ice in a freezer slowly forms ice crystals
Grass wet with dew slowly dries in the morning sunshine
Just-washed hands are rubbed on a towel
Question 5
Question
Which of these is a physical change, not a chemical change?
Answer
Ripening apples turning red
Rusting tools become reddish brown
Painting a cloth red
Question 6
Question
As your stomach digests food, this would be considered a:
Answer
Physical change
Chemical change
Matter state change
Question 7
Question
Which of the following choices contains only physical properties?
Answer
mass, color, ability to rust
ability to be shaped, volume, ability to burn
ability to break, ability to bend, texture
Question 8
Question
As a solid heats up, its particles gain energy and vibrate faster. When they vibrate enough, the particles move away from one another. This describes
Answer
freezing
evaporation
melting
Question 9
Question
Which of these has the highest melting point?
Answer
a stainless steel teaspoon
ice
cooking oil
Question 10
Question
A red liquid and a yellow liquid are mixed together. The result is an orange liquid that bubbles. This is evidence of
Answer
physical change
chemical change
physical property
Question 11
Question
A red and yellow liquid are mixed together. The result is an orange liquid. This is evidence of a
Answer
physical change
chemical change
physical property
Question 12
Question
Which of these is a chemical change, not a physical change?
Answer
A sweater turns purple from a grape juice stain
Burning wood turns into ashes and smoke
Bubbles escape from boiling water
Question 13
Question
During the phase change lab, the H2O molecules were
Answer
moving faster and spreading out
slowing down and getting closer
becoming more dense
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