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WorksheetsScience Fair 3B
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
What is the first thing that a scientist does?
a)
Experiment
b)
Hypothesis
c)
Ask a question
d)
Study
2.
What is a method?
a)
a science book.
b)
a way to do things.
c)
a science instrument.
d)
a recipe.
3.
In an experiment, the hypothesis is...
a)
what the experiment shows you.
b)
The conclusion.
c)
just a guess.
d)
what the scientist thinks is going to happen.
4.
In an experiment, the hypothesis is always correct.
a)
TRUE
b)
FALSE
5.
Science is the study of the natural world.
a)
TRUE
b)
FALSE
6.
All liquids can be mixed.
a)
TRUE
b)
FALSE
7.
Magnets ALWAYS attract other materials towards them.
a)
TRUE
b)
FALSE
8.
The moon's gravitational pull has an effect on ocean tides around the world.
a)
TRUE
b)
FALSE
9.
When you write a conclusion, you analyse the data and you...
a)
ask a question.
b)
prove your hypothesis.
c)
use your instruments.
d)
test your knowledge.
10.
In the "Levitating Candle" experiment, the air pressure outside the glass...
a)
does not do anything.
b)
pulls the water up into the glass.
c)
is weaker than the pressure inside it.
d)
pushes the water down and into the glass.
11.
Static electricity...
a)
can produce electromagnetic energy.
b)
can't make things move.
c)
doesn't exist.
d)
can change the shape of things.
12.
Waves are produced by a disturbance, which transfers energy from one place to another.
a)
TRUE
b)
FALSE
13.
In the "Defying gravity" experience... What keeps the cardboard in place?
a)
The force of the water.
b)
The air, that tries to get into the glass.
c)
The glass.
d)
Gravity force.
14.
In the "Dancing coins" test, the coins seem to levitate. This happens...
a)
as an optical illusion.
b)
because the magnet is strong enough to keep them in place.
c)
because they are magical.
d)
because magnets do not attract metals.
15.
In the "Balloon Fight" experiment, the balloons repel each other because...
a)
they have the same electric charges.
b)
they have opposite electric charges.
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