Question 1

Experiment 1: Independent Variable

Accepted Answer

Dimples or not

Answer

The dimple car

Answer

The normal car

Question 2

Experiment 1: Dependent Variable

Accepted Answer

The gas mileage

Answer

<P>The speed</P>

Answer

The number of dimples

Question 3

Experiment 2: Independent Variable

Accepted Answer

Whether or not there was a mouse

Answer

The dung with the mouse

Answer

The elephant's reaction

Question 4

Experiment 2: Dependent Variable

Accepted Answer

The elephant's reaction

Answer

The number of times the experiment was repeated

Answer

The number of elephants scared

Question 5

Experiment 3: Independent Variable

Accepted Answer

The object tested

Answer

The measured force

Answer

The air gun/rock group

Question 6

Experiment 3: Dependent Variable

Accepted Answer

The angle the rig arm went up

Answer

The force created by the object

Answer

The distance the object was shot

Question 7

Experiment 4: Independent Variable

Accepted Answer

The speed they moved

Answer

The amount of rain collected

Answer

The person running

Question 8

Experiment 4: Dependent Variable

Accepted Answer

The mass of the rain

Answer

The time it took

Answer

The amount of rain

Question 9

Which research question is best?

Accepted Answer

How does aspartame affect migraine frequency?

Answer

How do artificial sweeteners affect people?

Question 10

Which research question is best?

Accepted Answer

Is time spent playing video games related to depression symptom severity?

Answer

Do video games affect adolescents?

Question 11

Which research question is best?

Accepted Answer

Is history of a traumatic event related to current suicidal ideation?

Answer

Is trauma related to suicide?

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