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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
Paper, a pencil, and a crayon
B
A chair, a book, and a candle
C
An apple, an orange, and an lemon
D
A basketball, a softball, and a table tennis ball
2) Children are trying to get supplies up into their tree house. The simple machine which would be most useful would be a
A
screw
B
lever
C
wheel and axle
D
Pulley
3) Which of the following simple machines makes up the base of a lightbulb?
A
screw
B
wheel and axle
C
lever
D
pulley
4) A knife or a chisel is an example of what type of simple machine?
A
lever
B
an inclined plane
C
wedge
D
pulley
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
observation
B
experimentation
C
collecting speciemsn for analysis
D
none of these
6) Rollerblades are an example of what type of simple machine
A
an inclined plane
B
a wheel and axle
C
pulley
D
wedge
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
Collecting specimens for analysis
B
Experimentation
C
None of these
D
Observation
8) What characteristic best describes what happens during a physical change?
A
Forms stays the same
B
Mass is lost
C
Composition stays the same
D
Composition changes
9) How can you change matter from one state to another?
A
By dividing it in half
B
By adding or removing heat
C
By changing its volume
D
By changing its container
10) Which of the following is an example of a physical change?
A
Painting a block of wood
B
rusting nail
C
decomposing leaves
D
burning charcoal
*select an answer for all questions
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