start 100 200 100 400 300 200 100 400 300 200 100 400 300 200 400 300 4 th grade life science 5 th...
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4th Grade Life Science
5th GradeLife Science
4th GradeEarth Science
5th Grade Earth Science
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5th GradePhysicalScience
100
Which type of organism is always the first step in a food chain?
Producer
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200
Why are green plants and algae called”producers”?
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They make food by photosynthesis.
300
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The sun
What is the main source of energyentering most food webs?
400
In which type of ecosystem are protists often the main producers?
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Water ecosystems
100
What organ stores urine?
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the bladder
200
Waste leaves the body through the-
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colon
300
When blood leaves the lungs, what is itcarrying?
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Oxygen
400
When blood is pumped by the heart tothe lungs, what is it carrying?
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Carbon dioxide
100
What happens to rocks when they arefrozen and thawed again and again?
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They break down into smaller pieces.
200
What erodes rocks and landthe most?
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Moving water.
300
A glacier changes landscape mostly by−
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moving large amounts of dirt.
400
Grooves cut into bedrock are most likely a result of -
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a glacier.
100
Which action would turn water vapor intoa liquid?
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cooling it
200
How do vascular plants transport water and nutrients?
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Through tubes called xylem
300
What happens to liquid water if it iscooled below its freezing point?
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It turns into a solid.
400
In the water cycle, solar energy causes which change?
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Condensation to precipitation
100
What do scientists use to measure the volume of an irregular object?
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A graduated cylinder
200
What characteristic was used to arrange the elements in the Periodic Table of the Elements?
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The number of protons, which is the atomic number.
300
If an object’s density is less than one gram per milliliter, then when it is dropped in
water it will -
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float.
400
Copper that has been hammered into a sheet is an example of what kind of change?
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Physical change
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