Review Game Zone
Flash Cards
(current)
Games
Teachers
Search
2018 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 sign below was posted near a lake.
1) Which environmental problem is most likely indicated by the sign?
A
global warming
B
species extinction
C
ozone depletion
D
toxic waste
2) Which human activity would help reduce the amount of carbon dioxide in the atmosphere?
A
decrease the burning of fossil fuels
B
increase the human population
C
increase the number of cars being driven
D
decrease the number of recycling programs
Helpful Hint
The data table below shows data for four planets in our solar system.
3) For which planet is the length of the planet’s day longer than the planet’s year?
A
Mercury
B
Earth
C
Mars
D
Venus
4) Which weather instrument is used to measure wind speed?
A
2
B
3
C
1
D
4
Helpful Hint
The diagram represents the Moon at positions A, B, C, and D, in its orbit around Earth.
5) Which graph best represents the percentage of the lighted side of the Moon that can be seen by an observer in the northern hemisphere when the Moon is at the positions shown?
A
3
B
1
C
2
D
4
Helpful Hint
The diagram represents the Moon at positions A, B, C, and D, in its orbit around Earth.
6) Approximately how long does it take for an observer on Earth to view a complete cycle of Moon phases?
A
12 hours
B
24 hours
C
1 month
D
1 year
7) The motions of comets and asteroids in our solar system are predictable because they are
A
in orbit around the Sun
B
nearly spherical in shape
C
controlled by Earth’s gravity
D
smaller than planets
8) Which two gases, when released into the atmosphere, are believed to contribute most to global warming?
A
methane and carbon dioxide
B
nitrogen and carbon dioxide
C
nitrogen and oxygen
D
methane and oxygen
Helpful Hint
The diagram below represents a flashlight that has been turned on.
9) Which form of energy is being converted to electrical energy by the batteries in the flashlight?
A
solar
B
nuclear
C
sound
D
chemical
10) Which set of Earth components is arranged in order from solid to liquid to gas?
A
hydrosphere, lithosphere, atmosphere
B
hydrosphere, atmosphere, lithosphere
C
lithosphere, atmosphere, hydrosphere
D
lithosphere, hydrosphere, atmosphere
*select an answer for all questions
Check Results & Get Answers
Play Games with the Questions Above
Teachers: Create FREE classroom games with your questions
Click for more info!
©2007-2024
ReviewGameZone.com
|
About
|
Privacy
|
Contact
|
Terms
|
Site Map
WAIT! Find what you needed?
×
Still Looking for the Answers?
Have Another Question?
Play a Review Game with These Questions?
Want to Make Your Own Test Like This One?