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2017 Grade 8 Intermediate-Level Science Test Questions 21-30
Test Description: Use your knowledge of Science to answer all questions. Good Luck.
Instructions: Answer all questions to get your test result.
Helpful Hint
The diagram below represents stages of development in a butterfly.
1) This diagram represents the process of
A
metamorphosis
B
germination
C
selective breeding
D
natural selection
2) The inference that Earth’s interior has an outer core and an inner core is based on studies of
A
earthquake wave data
B
recent fossil discoveries
C
celestial observations
D
glacier core samples
3) Why does the Sun generally appear to rise in the east, move across the sky, and set in the west each day?
A
Earth revolves around the Sun.
B
Earth rotates on its axis.
C
The Sun rotates on its axis.
D
The Sun revolves around Earth.
4) Which property of a mineral is tested by scratching it on a glass plate?
A
conductivity
B
density
C
melting point
D
hardness
Helpful Hint
The diagram below represents the path of a ray of light as it passes from air into the water in a pond.
5) The change in the direction of the ray of light as it enters the water is called
A
transmission
B
refraction
C
reflection
D
absorption
Helpful Hint
The letters A, B, C, and D represent four positions of the Moon in its orbit around Earth. The nighttime sides of the Moon and Earth are shaded.
6) Which Moon phase will be seen from Earth when the Moon is at position C?
A
3
B
2
C
1
D
4
Helpful Hint
The letters A, B, C, and D represent four positions of the Moon in its orbit around Earth. The nighttime sides of the Moon and Earth are shaded.
7) Approximately how many weeks will it take the Moon to move from position B to position D?
A
two
B
four
C
one
D
three
8) The gravitational force between two objects is most affected by their
A
motion and distance apart
B
motion and volume
C
mass and volume
D
mass and distance apart
9) Earth’s surface has a relatively thin, solid outer shell called the
A
outer core
B
lithosphere
C
atmosphere
D
mantle
10) Which process results in the formation of water on the outside of a cold glass of iced tea on a warm day?
A
boiling
B
freezing
C
evaporation
D
condensation
*select an answer for all questions
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