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WorksheetsScience Review B - 4th grade
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
Food Chain:
plants - crickets - frogs - snakes - hawks
If the number of frogs decreases, which population will most likely increase?
plants - crickets - frogs - snakes - hawks
If the number of frogs decreases, which population will most likely increase?
a)
crickets
b)
hawks
c)
snakes
d)
plants
2.
Food Chain:
plants - crickets - frogs - snakes - hawks
Two predators shown in the food chain are:
plants - crickets - frogs - snakes - hawks
Two predators shown in the food chain are:
a)
hawks and plants
b)
hawks and snakes
c)
frogs and crickets
d)
frogs and plants
3.
Three identical seeds are planted and grown in identical pots of soil. All three pots receive equal amounts of sunlight. The plants are watered once each day. Plant A is given 10 milliliters (mL) of water. Plant B is given 20 mL of water. Plant C is given 30 mL of water. The height of each plant is measured and recorded aafter ten days. Which question could be answered by this experiment?
a)
How much space does a plant need to grow?
b)
How much soil does a plant need to grow?
c)
How much water will make a plant grow the tallest?
d)
How much sunlight will make a plant grow tallest?
4.
A girl collects rocks while at the beach. She notices that the rocks are milky white and contain fossils. What type of rock has she found?
a)
Sedimentary, because it contains fossils
b)
Sedimentary, because it is milky white
c)
Metamorphic, because it contains fossils
d)
Metamorphic, because it is milky white
5.
When a trumpet was played, a nearby sheet of paper bega to move. What caused the paper to move?
a)
light
b)
sound
c)
electricity
d)
heat
6.
A lamp is plugged into an outlet. Which form of energy allows the lamp to be on?
a)
sound
b)
light
c)
heat
d)
electricity
7.
Two students saw a shiny object on the ground. Why was it shiny?
a)
it reflected light
b)
it refracted light
c)
it produced its own light
d)
it absorbed all of the light
8.
Which is an example of erosion?
a)
water sitting in a well
b)
magma rising in a volcano
c)
wind blowing sand on a beach
d)
heat melting rock underground
9.
How can a volcanic eruption change the surface of the Earth?
a)
it can build mountains
b)
it can freeze rock
c)
it can grow trees
d)
it can stop erosion
10.
Planting more trees could help solve which problem?
a)
drought
b)
earthquakes
c)
weathering
d)
erosion
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