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Physical And Chemical Changes
Test Description: Identifying Physical and Chemical Changes
Instructions: Answer all questions to get your test result.
1) Which of the following is an example of a physical change?
A
baking a bierthday cake
B
a glass cup falls from the counter and shatters on the ground
C
lighting a piece of paper on fire and the paper burns
D
mixing baking soda and vinegar together, and this causes bubbles to form
2) A physical blend of 2 or more components is called a ____.
A
mixture
B
chemical mixture
C
type of element
D
physical property
3) Lemonade is what type of mixture?
A
homogeneous
B
heterogeneous
4) A mixture in which the composition is NOT uniform throughout is called a _____ mixture.
A
homogeneous
B
heterogeneous
5) Oil and water are each homogeneous mixtures. What happens to them when they are mixed?
A
they form a pure substance
B
they form a phase
C
they form a hetergeneous mixture
6) What type of mixture is chichen soup?
A
heterogeneous
B
homogenous
7) What type of substance is milk?
A
homogeneous mixture
B
compound
C
element
D
heterogeneous mixture
8) Kool Aid is classified as:
A
heterogeneous
B
homogeneous
C
compound
D
element
9) Combination of two or more substances that are not chemically combined.
A
solute
B
mixture
C
solution
D
solvent
10) What is the term for combining 2 or more DIFFERENT atoms together?
A
atoms
B
molecules
C
elements
D
compound
11) Which of the following is an example of a chemical change?
A
your dog ripping up your homework
B
taking a glass of water and freezing it by placing it in the freezer
C
filling up a balloon with hot air
D
a plant collecting sunlight and turning it into food
12) Which change can be easily reversed?
A
both a physical and chemical change
B
none of the above
C
chemical change
D
physical change
13) When a new substance is formed with different properties than the original substance it is called a
A
chemical change
B
boiling
C
freezing
D
physical change
14) If the chemical properties of a substance remain unchanged and the appearance or shape of a substance changes it is called a
A
both a and b
B
chemical change
C
physical change
D
none of the above
15) Which is an example of a physical change?
A
metal rusting
B
water boiling
C
silver tarnishing
D
paper buring
16) What characteristic best describes what happens during a physical change?
A
mass is lost
B
compsition changes
C
form stays the same
D
composition stays the same
*select an answer for all questions
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