What does the blood coming from the lungs contain?
Oxygen.
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baam
Lose 20 points!
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star
Double points!
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rocket
Go to first place!
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thief
Give points!
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15
Name four living things that cause disease.
Parasites, viruses, bacteria and fungi.
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baam
Lose 5 points!
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star
Double points!
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shark
Other team loses 25 points!
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thief
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25
10
What are the two parts of a solution?
The solute and the solvent.
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5
What bones protect our lungs?
The ribs.
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15
What are two differences between boiling and evaporation?
Boiling: Happens at a certain temperature; Happens throughout the liquid Evaporation: Happens at any temperature; happens at the surface of the liquid.
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15
Use the particle model to explain dissolving.
When a solute dissolves, the particles of the solute move between the particles of the solvent.
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20
What is the circulatory system made up of?
heart, blood vessels and blood
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5
Which body system is used for breathing?
The respiratory system.
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10
Why does Neptune have the longest orbit?
Because it is the furthest planet from the Sun.
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10
Why does a metal teaspoon feel hotter than a plastic teaspoon when you put them in a cup of hot tea?
This is because metal is a thermal conductor.
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15
Explain why a physical change is reversible.
This is because a physical change alters how a substance looks and feels. It does not change into a new substance.
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5
Your heart pumps blood through the body. This process is called _________.
