Introduction to Science Flashcards
Define dependent variable
You measure this.
Define independent variable
You change this.
Define control variable
This stays the same.
What kind of data would you use to draw a bar chart?
Data with different categories (categoric).
What kind of data would you use to draw a line graph?
One category of data (continuous) (numbers)
List some key safety rules for working in a science lab:
-no running
-wear goggles
-don’t look into test tubes from the top
-don’t throw things
-tie hair back
How do you get a safety flame with a Bunsen burner?
Fully cover air hole
How do you get a blue flame with a Bunsen burner?
Half cover air hole
How do you get a roaring blue flame with a Bunsen burner?
Don’t cover the air hole
List some safety precautions you need to take when using a Bunsen burner
-Start with air hole closed
-don’t touch flame
Which Bunsen flame is hottest?
Roaring flame
Explain why you shouldn’t look at the flame when you burn magnesium?
It gets really bright
What else should you do to make this experiment safe?
Hold it away from you.
Why should you be careful when doing research online?
It might be wrong and untrustworthy