Name: ________________________________ Homeroom : ______________Due Date: Tues. March 5th
Science Homework Week of February 25, 2013
Parent Initials:________
Instructions: Science homework is intended as a review of previously learned concepts.
Please give complete answers including proof and justification (justify) for your answer
1.
Clouds bring rain and snow to Earth’s surface. How does rain and snow most support life on
Earth?
A.
B.
C.
D.
2.
They cool the land and surface.
They carry acids into the soil.
They bring freshwater to land organisms.
They build up mountains.
After lake water flows through a dam, which processes help replace the water in the lake?
A.
B.
C.
D.
Rainfall and runoff
Erosion and weathering
Refraction and reflection
Separating and evaporating
3. A student wants to find out which type of soil holds the most water. He uses four identical pots
with holes in the bottom. He fills each pot with a different type of soil and waters the pots with the
same amount of water. How can he find out how much water stays in the soil in each pot?
A.
B.
C.
D.
By planting seeds and measuring plant growth in each pot.
By measuring the amount of water that drains from each pot.
By observing which soil looks wettest after the water has been added to the pots.
By feeling the soil before and after adding the water to each pot.
4. Making imprints in clay is most useful for learning about----A.
B.
C.
D.
5.
6.
Weathering
Fossils
Renewable Resources
The Rock Cycle
Plants can survive in a clear, closed container without animals. Animals cannot survive in a
closed container without plants. Why can’t animals survive in a closed container without plants?
A. Plants and animals need water to survive.
B. Plants produce oxygen, which animals need.
C. Plants take in and give off water; animals only take in water.
D. Plants are stationary; most animals roam freely.
Which gas in the air would increase if a large number of trees were cut down?
A.
B.
C.
D.
Nitrogen
Oxygen
Water Vapor
Carbon dioxide
7. Draw a diagram of how a delta forms. Please include: the river, the ocean, the mouth of the river.
Label where the sediments are getting dropped off and building up the land.
8.
A delta forming is an example of:_____________________________ because new land is building
up.
9. Match the time of day with the length of the shadow by drawing lines between them.
a. 6.2 meters
6:30 pm
b. 2 meters
12:15 pm
c. 50 centimeters
10:00 am
10. Please give a synonym word/phrase for the following science words:
a. Weathering = _________________________
b. Erosion = ____________________________
c. Deposition = __________________________
d. Reflect = _____________________________
e. Refract = _____________________________
11. A river will change its course over time. Think about how long it would take a river to change its
course. Describe one way people could document this change. Explain how long you would have
to document it for and why.
12. Fossil fuels formed over a long period of time because heat and pressure were applied
to —
A
B
C
D
carbon filtered through limestone
organisms buried in the ground
bacteria on top of the mud
nitrogen mixed in the water
13. The finger-like formations in the cavern shown above are called stalactites and
stalagmites. Which process most likely formed these stalactites and stalagmites?
A
B
C
D
Slow deposition of minerals
Fast erosion of soil
Fast rising of water
Slow cooling of air
14. Coal is a nonrenewable resource that was formed hundreds of millions of years ago in
swampy areas. Coal was formed from —
A
B
C
D
silica rich lava that has been compressed over time
animal remains that were buried over an extended period
plant material that was buried over an extended period
sedimentary rocks that have been compressed over time
15. Which of the following led to the formation of oil as a natural resource?
A
B
C
D
Oil from the seas sank into underground caves over thousands of years.
Hundreds of years ago swamps formed black mud and were buried.
Dinosaurs died and their bones became fossilized over time.
Tiny sea creatures collected sunlight and changed it to chemical energy.
16. Oil, natural gas, and coal provide most of the energy we use today. How were these
resources formed?
A
B
C
D
These renewable resources formed deep in the Earth from prehistoric plants and animals.
These nonrenewable resources formed deep in the Earth from prehistoric plants and
animals.
These nonrenewable resources formed from magma deep in the Earth.
These inexhaustible resources formed from magma deep in the Earth.
17. Millions of years ago the remains of dead plants and animals were buried by sediments.
Through the action of heat and pressure over millions of years, these remains changed form.
We now call these changed remains—
A
B
C
D
Solar energy
Renewable
Fossil fuels
Heat energy
18. The process of breaking up rocks on the surface of the Earth is called—
A
B
C
D
deposition
sedimentation
erosion
weathering
19. Which of the following must occur in order for plant remains to be transformed into fossil
fuels? The plant remains must be—
A
B
C
D
eaten
burned
buried
recycled
20. The energy stored in fossil fuels like oil and natural gas first came from the—
A
B
C
D
rocks
dinosaurs
sun
pipelines
21. Coal, oil, and gas are resources that come from—
A
B
C
D
electric power plants
volcanic eruptions
the movement of water
the remains of living organisms