In a solution of saltwater (a saline solution), salt is the:
a) Solute
b) Solvent
c) Colloid
a) Solute
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15
What would happen if the earth's atmosphere vanished? The weight of things
a) would decrease
b) would be zero
c) would increase
d) wouldn’t change
d) Wouldn’t change
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15
If we cut the tail of all mice and their offspring and we did this experiment for a lot of generations,
a) mice would be born without tail
b) the tail of the new generations would be shorter
c) the shape of the tail wouldn’t change
c) the shape of the tail won’t change
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15
Which bone is the longest bone in the human body?
a) Femur
b) Humerus
c) Tibia
a) Femur
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15
What is the temperature at which a liquid turns into a gas?
a) Matter point
b) Condensation point
c) Boiling point
c) Boiling point
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15
Select one of the following to determine the proper procedure for shutting down your computer.
a) It's best to never turn off your computer.
b) Just unplug your computer.
c) Go to the Start menu and click "Shut Down"
c) Go to the Start menu and click "Shut Down"
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15
Stalagmites grow from
a) the ground of a cave towards the ceiling
b) the ceiling of a cave towards the ground
c) both directions, depending on which hemisphere they are
a) the floor of a cave towards the ceiling
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monster
Reset all scores!
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star
Double points!
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rocket
Go to first place!
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thief
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15
ICT is the acronym for:
a) Internet and Computer Technology
b) Internet and Constant Technology
c) I Can't Think
a) Internet and Computer Technology
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15
How many chambers does a human as well as a dog's heart have?
a) 2
b) 3
c) 4
c) 4
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15
The compound CO2 represents
a) Two atoms of carbon and two atoms of oxygen
b) One molecule of carbon and two molecules of oxygen
c) One atom of carbon and two atoms of oxygen
c) One atom of carbon and two atoms of oxygen
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15
This vitamin is excreted by humans in urine. What is it?
a) B12
b) C
c) D
b) C
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15
The study of respiration shows:
a) Green plants and animals always consume oxygen and release CO2 day and night.
b) Green plants only breath at night.
c) Green plants breathe during the day taking carbon dioxide and releasing CO2
a) Green plants and animals always consume oxygen and release CO2 day and night.