Earth Science Review (Grade 7)
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Earth Science Review
1.
The lines on the map mark areas of equal .

- salinity
- pressure
- elevation
- temperature
2.
Which of the following is an important difference between climate and weather?
- Climate describes daily rainfall in an area.
- Climate describes wind and sky conditions.
- Climate often has a "right here right now" flavor.
- Climate often describes a wide geographic area.
3.
Which of the following are the two main sources of oxygen in the air we breathe?
- volcanoes and animals
- animals and phytoplankton
- green plants and volcanoes
- phytoplankton and green plants
4.
Layer C is called the and it is the of the atmospheric layers.

- mesosphere; coldest
- stratosphere; coldest
- mesosphere; hottest
- stratosphere; hottest
5.
The diagram shows a front which is often associated with .

- cold; precipitation
- warm; precipitation
- cold; dry conditions
- warm; dry conditions
6.
What is the source of energy for the water cycle?
- gravity
- transpiration
- the oceans
- the Sun
7.
On the water cycle diagram, an example of condensation is shown at point and an example of evaporation is shown at point .

- B; K
- D; G
- K; D
- G; B
8.
As time goes by, and water goes through the water cycle again and again, the amount of water on Earth mostly
- increases.
- decreases.
- stays the same.
- goes up and down.
9.
Which cycle is primarily represented by the diagram?

- life cycle
- rock cycle
- water cycle
- carbon cycle
10.
Where would the type of volcano shown be most likely to form?

- mantle hot spot
- subduction zone
- divergent boundary
- transform boundary
11.
Which letter on the diagram shows where Earth's magnetic field is generated?

- A
- B
- C
- D
12.
Volcanism, tectonics, and erosion are all .
- astronomical events
- geological processes
- biological adaptations
- atmospheric conditions
13.
What is the best way to describe Earth's crust?
- Always moving
- Moves very rarely
- Never moves
- Moves only during earthquakes
14.
Which scientific theory is best represented by the diagram?

- Big Bang
- Evolution
- Plate Tectonics
- Continental Drift
15.
This rock is most likely because it is .

- igneous; foliated
- igneous; nonfoliated
- metamorphic; foliated
- metamorphic; nonfoliated
16.
During which season are smog concentrations generally greatest?
- spring
- summer
- autumn
- winter
17.
The Air Quality Index indicates air pollution levels as shown below:
0 - 50 Good
51 - 100 Moderate
101 - 150 Unhealthy for Sensitive Groups
151 - 200 Unhealthy
201 - 300 Very Unhealthy
The weather report states an air quality index of 110. Which recommendation would be best for children with asthma on this day?
0 - 50 Good
51 - 100 Moderate
101 - 150 Unhealthy for Sensitive Groups
151 - 200 Unhealthy
201 - 300 Very Unhealthy
The weather report states an air quality index of 110. Which recommendation would be best for children with asthma on this day?
- play outside as long as they want
- limit the amount of time they are outside
- do not go outside under any circumstances
18.
Which cycle most likely includes photosynthesis, respiration, industrial pollutants, and fossil fuels?
- water cycle
- carbon cycle
- oxygen cycle
- nitrogen cycle
19.
Which of the following sources of energy is considered an alternative resource?
- geothermal
- fossil fuels
- petroleum
- nuclear
20.
Many cities are taking actions to cause less harm to the environment. Which action produces energy from an alternative source?
- Burning coal to heat homes.
- Using biofuels to generate electricity.
- Replacing lawns with plants that require less water.
- Building a new water-treatment plant to improve water quality.
21.
A tide is a rise and fall of sea level.
- daily
- monthly
- weekly
- yearly
22.
What is represented by the diagram shown?

- neap tide
- spring tide
- solar eclipse
- lunar eclipse
23.
When the north end of Earth's axis is tilted toward the Sun, what will North America experience?
- more indirect rays and shorter days
- more indirect rays and longer days
- more direct rays and shorter days
- more direct rays and longer days
24.
During a solar eclipse, the shadow of falls on .
- Earth; the Sun
- the Sun; Earth
- Earth; the Moon
- the Moon; Earth
25.
Day and night are caused by
- the tilt of Earth's axis.
- Earth's revolution around the Sun.
- eclipses.
- Earth's rotation on its axis.
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