Unit 0: Science Skills and Experimental Design

Question 1

what are the 3 variables in an experiment?

Answer 1

independent, dependent, and controlled

Question 2

Independent Variable

Answer 2

It does not depend on anything

Question 3

Dependent Variable

Answer 3

It depends on other factors

Question 4

Controlled Variable

Answer 4

It is held constant. It does NOT change

Question 5

Give an example of a potential experiment. Determine the independent, dependent, and controlled variable.

Answer 5

EX) Does the different flavors of mentos change the height of explosion when dropped into Coke.
Independent variable: Different flavors of mentos
Dependent Variable: Height of explosion
Controlled Variable: Specific type of coke

Question 6

Convert to scientific notation:
58,237

Answer 6

5.8237*10^4
Move left four places

Question 7

Convert to scientific notation:
1.4

Answer 7

1.4*10^0

Question 8

Convert to standard notation:
2.13*10^3

Answer 8

2130

Question 9

Convert to standard notation:
7.5*10^-4

Answer 9

0.000075