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* Indicates required question
Science can only be studied in carefully controlled laboratory environments.
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1 point
True
False
Which of these is/are (an) example(s) of quantitative data?
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1 point
his hair is black
his hair is 3.5 cm long on average
she is the tallest person in class
she weighs 45 kg
Required
Tom has a Samsong phone, and Zoe has an Orange phone. You want to find out which of your friend's phones has the better battery life. Which of these could be a hypothesis for your experiment?.
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1 point
Does Zoe's Orange phone have a better battery life?
Tom's Samsong phone has the longer battery life.
Tom's Samsong phone is better than Zoe's Orange phone.
Zoe's Orange phone is more expensive than Tom's Samsong phone.
To test the battery life, you play the same Rick Astley video over and over again, and ensure that the phones have the same screen brightness. These are _____________ variables.
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1 point
independent / changed
dependent / measured
control / constant
You found out that the Orange phone had a longer battery life than the Samsong phone, but Tom is cannot accept the result, and wants you to lie about it. Which 2 attitudes is Tom lacking in?
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1 point
creativity
integrity
open-mindedness
perseverance
Required
What is the SI unit for time?
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1 point
h
min
s
stopwatch
Accuracy is how close many readings are to each other.
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1 point
True
False, that's precision.
False, that's error.
False, that's average.
Zero error is a ____________ error,
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1 point
Consistent
Unpredictable
Not reading a measuring cylinder at eye-level can lead to _______________ error.
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1 point
Your answer
Hazard Symbol
The diagram shows the hazard symbol for a _____________.
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1 point
explosive substance
flammable substance
oxidative substance
radioactive substance
Which statement about technology is not true?
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1 point
Technology is developed from Scientific discoveries.
Technology can solve some of society's problems.
Technology can sometimes cause more problems.
Technology does not need to be used responsibly by people.
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