Unit 1 Post Test Earth science
Passage
•
Science
•
9th Grade
•
Practice Problem
•
Hard
Hannah Cunningham
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What might a topographic map show that would provide information about Earth’s systems?
changes in surface water temperature over a time period
how a change in vegetation has affected the flow of a river
effects that climate changes have had on wildlife populations
the amount of atmospheric gases that an ocean has absorbed
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Scientists are studying changes in carbon dioxide levels in the atmosphere. Which statement explains why computer simulation models would be useful in predicting changes in the system?
The models use computer-generated data rather than measurements.
Data can be easily deleted if the data show a pattern scientists do not expect.
Understanding relationships among variables is easier using the models.
Fewer researchers are required to obtain data that are used in the models.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of Earth’s spheres are involved when water in the crack of a rock freezes and expands, breaking the rock apart?
geosphere and biosphere
biosphere and atmosphere
hydrosphere and geosphere
atmosphere and hydrosphere
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Harry listed items that are part of the Earth system: air, rock, stars, water, living things, sunshine. Which items should Harry remove from the list?
air and stars
living things and air
stars and sunshine
sunshine and living things
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A scientist is studying the ecosystem around a hot spring on the deep ocean floor. Which action would be a useful part of this investigation?
monitoring the frequency of tides
tracking sources of ocean pollution
analyzing the chemistry of nearby rocks
measuring the effects of wind on overlying water
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which source provides most of the ocean’s energy?
underwater volcanic eruptions
radioactive processes in Earth’s core
electromagnetic radiation from the sun
breakdown of ozone in the atmosphere
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What evidence have scientists observed to support the claim that changes in Earth’s biosphere are related to changes in other systems on Earth?
A small increase in water temperature can cause coral bleaching.
Levels of dissolved gases increase with higher ocean temperatures.
Sediment deposition rates decrease if the speed of a river increases.
The amount of Arctic sea ice decreased significantly in the last 30 years.
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