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Quarter Test #1
Test Description: 7th Grade
Instructions: Answer all questions to get your test result.
1) Another term for technology is
A
experiment
B
control
C
applied science
D
inference
2) The process of gathering information through senses is called
A
observation
B
analyzing
C
inferring
D
hypothesizing
3) A testable prediction about a possible solution to a problem is called
A
hypothesis
B
variable
C
experiment
D
conclusion
4) If some of the liquid in a graduated cylinder evaporated, how would the amount of liquid change?
A
increase
B
increase then decrease
C
no change
D
decrease
5) What is the unit of measure used on graduated cylinders
A
kilogram
B
Milliliter
C
meter
D
newton
6) A factor that is changed and tested in an experiment is
A
control
B
independent variable
C
constant
D
hypothesis
7) The process by which a liquid changes to a gas
A
condensation
B
vaporization
C
melting
D
sublimation
8) The temperature of a liquid, height of a plant, or an observation that one object is smaller than another are all examples of collecting
A
inferences
B
hypotheses
C
experiments
D
data
9) Which is a more complete model of feeding relationships?
A
Food web
B
Food map
C
protein building
D
Food chain
10) Which of the following is not a producer?
A
tulip
B
pine tree
C
grass
D
honeybee
11) Nitrogen is used by
A
animals
B
plants
C
neither a nor be
D
both a and b
12) As you move up the levels in an energy pyramid, the amount of energy
A
decreases
B
is destroyed
C
stays the same
D
increases
13) The process of freezing
A
does not affect the kinetic energy of the molecules of the substance
B
releases energy
C
requires energy
D
does not result in an evergy change
14) Which of the following is not a possible sign of a physical change?
A
the release of energy
B
a change in color
C
a change in volume
D
a change in appearance
15) The measurement of an object's mass is a
A
chemical change
B
physical change
C
physical property
D
chemical property
16) The ability of a pond to freeze over in winter is a
A
physical change
B
physcial property
C
chemical change
D
chemical property
17) Carbon _____ through the carbon cycle
A
follows a single path
B
follows various paths
C
decreases in quantity
D
increases in quantity
18) Which of the following is not a possible sign of a chemical change
A
release of energy
B
change of state
C
release of a gas
D
change in color
19) Three examples of physical change are
A
applying lipstick, making lemonade and baking bread
B
melting ice, mowing the lawn and carving a statue
C
boiling water, a nail rusting, and melting candle
D
a pond freezing, breaking glass, and a burning candle
20) When a chunk of dry ice is at room temperature, a cloud of carbon dioxide vapor forms. The carbon dioxide is changing from a
A
solid to a liquid
B
liquid to plasma
C
solid to a gas
D
liquid to a gas
*select an answer for all questions
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