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7th Grade Summer Review
Test Description: 7th graders review for summer workbook test.
Instructions: Answer all questions to get your test result.
1) Natalie is trying to explain the solar system to her younger brothers. What three objects should she choose to best represent the sun, earth, and the moon?
A
A basketball, a softball, and a table tennis ball
B
A chair, a book, and a candle
C
Paper, a pencil, and a crayon
D
An apple, an orange, and an lemon
2) Children are trying to get supplies up into their tree house. The simple machine which would be most useful would be a
A
wheel and axle
B
screw
C
lever
D
Pulley
3) Which of the following simple machines makes up the base of a lightbulb?
A
lever
B
wheel and axle
C
pulley
D
screw
4) A knife or a chisel is an example of what type of simple machine?
A
an inclined plane
B
pulley
C
wedge
D
lever
5) 5. You are boiling water on your stove next to a window. You notice water droplets on the inside of the window. This is an example of what kind of scientific investigation?
A
experimentation
B
observation
C
none of these
D
collecting speciemsn for analysis
6) Rollerblades are an example of what type of simple machine
A
an inclined plane
B
a wheel and axle
C
wedge
D
pulley
7) 6. 7. Jeannie wanted to find out if cold water was more dense than warm water. She added red food coloring to a beaker of warm water and then used an eyedropper to add the warm red
A
Observation
B
Collecting specimens for analysis
C
Experimentation
D
None of these
8) What characteristic best describes what happens during a physical change?
A
Composition changes
B
Composition stays the same
C
Forms stays the same
D
Mass is lost
9) How can you change matter from one state to another?
A
By adding or removing heat
B
By changing its volume
C
By dividing it in half
D
By changing its container
10) Which of the following is an example of a physical change?
A
decomposing leaves
B
rusting nail
C
Painting a block of wood
D
burning charcoal
*select an answer for all questions
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