Science Fair Week 2 Quiz

Question 1

Dependent Variable

Answer 1

is the thing that scientist focuses his or her observations on to see how they responds to the change made to the independent variable. the

Question 2

The things that the scientist wants to remain constant or the same are the

Answer 2

a. ) “controlled variables”
b. ) independent variable
c. ) procedure
d. ) dependent variable

Question 3

materials

Answer 3

are the specific list of detailed supplies needed to perform an experiment.

Question 4

The ONE thing that is changed by the scientist is the

Answer 4

a. ) “independent variable”
b. ) controlled variables
c. ) dependent variable
d. ) procedure

Question 5

procedure

Answer 5

is the step by step directions needed to perform the scientific experiment.

Question 6

A scientist conducted an experiment to determine if all brands of paper towels absorb the same amount of water. Which of the following is not one of the controlled variables?

Answer 6

a. ) size of paper towels
b. ) temperature of water
c. ) “brand of paper towel”
4. ) amount of water poured on the paper towel

Question 7

A scientist hypothesizes that the temperature at which an alligator’s egg is incubated will determine whether the alligator will be male or female. The independent variable is

Answer 7

a. ) the male alligators
b. ) “the temperature”
c. ) the incubator
d. ) the gender of the alligator

Question 8

A scientist conducted an experiment to determine how the amount of salt in a body of water affects the number of plants that can live in the water. The dependent variable is

Answer 8

a. ) “ the number of plants in the water”
b. ) the water
c. ) the amount of salt in the water
d. ) the temperature of the water

Question 9

True or False: The step by step directions should be numbered directions that another scientist could follow to repeat the experiment__________

Answer 9

TRUE

Question 10

True or False: The material list should include an amount of each item that is used ________

Answer 10

TRUE