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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
inference
B
experiment
C
control
D
applied science
2) The process of gathering information through senses is called
A
observation
B
hypothesizing
C
inferring
D
analyzing
3) A testable prediction about a possible solution to a problem is called
A
variable
B
hypothesis
C
conclusion
D
experiment
4) If some of the liquid in a graduated cylinder evaporated, how would the amount of liquid change?
A
decrease
B
increase
C
increase then decrease
D
no change
5) What is the unit of measure used on graduated cylinders
A
meter
B
newton
C
kilogram
D
Milliliter
6) A factor that is changed and tested in an experiment is
A
constant
B
hypothesis
C
control
D
independent variable
7) The process by which a liquid changes to a gas
A
melting
B
condensation
C
vaporization
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
experiments
B
data
C
hypotheses
D
inferences
9) Which is a more complete model of feeding relationships?
A
protein building
B
Food map
C
Food web
D
Food chain
10) Which of the following is not a producer?
A
honeybee
B
tulip
C
pine tree
D
grass
11) Nitrogen is used by
A
plants
B
neither a nor be
C
animals
D
both a and b
12) As you move up the levels in an energy pyramid, the amount of energy
A
is destroyed
B
stays the same
C
decreases
D
increases
13) The process of freezing
A
does not affect the kinetic energy of the molecules of the substance
B
requires energy
C
does not result in an evergy change
D
releases energy
14) Which of the following is not a possible sign of a physical change?
A
a change in color
B
a change in appearance
C
a change in volume
D
the release of energy
15) The measurement of an object's mass is a
A
chemical change
B
chemical property
C
physical change
D
physical 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
increases in quantity
B
follows a single path
C
decreases in quantity
D
follows various paths
18) Which of the following is not a possible sign of a chemical change
A
release of a gas
B
change of state
C
release of energy
D
change in color
19) Three examples of physical change are
A
applying lipstick, making lemonade and baking bread
B
a pond freezing, breaking glass, and a burning candle
C
melting ice, mowing the lawn and carving a statue
D
boiling water, a nail rusting, and melting 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
liquid to a gas
B
solid to a gas
C
liquid to plasma
D
solid to a liquid
*select an answer for all questions
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