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Physical And Chemical Changes
Test Description: Physical and Chemical Changes
Instructions: Answer all questions to get your test result.
1) What is NOT a physical characteristic?
A
the item can change state
B
the item is still itself
C
something new is created
D
the change can often be reversed
2) Which is a physical change?
A
the production of light
B
the creation of heat
C
a new smell
D
a change in shape
3) Which is a chemical change?
A
making water by joining oxygen and hydrogen atoms
B
boiling water
C
dissolving salt in water
D
freezing water
4) Which is a physical change?
A
digesting food
B
breaking a glass windshield
C
baking cookies
D
burning a log in a campfire
5) Which is a physical change?
A
the bonds holding atoms together are broken
B
the identity of the item is the same as before
C
the identity of the item is different than before
D
a new substance is formed
6) Which is a physical change?
A
a paper turning from white to red with paint
B
a person's skin tanning in the sun
C
flamingos turning pink from their diet
D
leaves changing color in the fall
7) A substance that undergoes a physical change, like melting is still the same substance.
A
false
B
true
8) During a chemical change atoms are never lost or gained to make the new substances.
A
false
B
true
9) Dissolving is an example of a
A
physical change
B
chemical change
10) Breaking of an object is an example of a
A
physical change
B
chemical change
11) Breaking bonds and forming new ones is an example of a
A
chemical change
B
physical change
*select an answer for all questions
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