Because they are studying something that is difficult to study. It may be too big, too small, or too far away to study so a model helps them learn about it.
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15
If you want to measure temperature, you would use a tool called a _______________.
thermometer
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banana
Go to last place!
Oops!
rocket
Go to first place!
Okay!
gift
Win 25 points!
Okay!
thief
Give points!
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25
15
What do we call a model that has length, width, and height (like a box)?
a three-dimensional model
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seesaw
Swap points!
Oops!
rocket
Go to first place!
Okay!
rocket
Go to first place!
Okay!
baam
Lose 10 points!
Oops!
15
What is one example of a model?
a drawing, a computer animation, a smaller or larger version of the object
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15
What is one tool you could use to measure length?
ruler, tape measure, yard stick, etc.
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15
When people collect information by using their five senses, they make an __________.
observation
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15
What do we call a model that is flat (only has length and width)?
a two-dimensional model
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eraser
Reset score!
Oops!
fairy
Take points!
5
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15
20
25
gift
Win 10 points!
Okay!
lifesaver
Give 10 points!
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15
What should you do if the evidence in an investigation does not support your original hypothesis?
Use your evidence to form a new hypothesis
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15
If you want to measure the pull of a force, such as the force of gravity, you would use a tool called a ___________.
spring scale
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15
When people ask questions, make observations, and use other methods to gather data to answer a question, they are doing an _______________.
investigation or experiment
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15
A tool used to measure the mass of an object is a _________.