Scientific Method, Experimental Design, Safety, Never Cry Wolf

Question 1

There are over 200 mice per acre of tundra.

Accepted Answer

Quantitative observation

Question 2

"There are no orphans in the wolf pack."

Accepted Answer

Qualitative observation

Question 3

In a controlled experiment, the dependent variable is ___.

Accepted Answer

What is actually measured or observed in the experiment.

Question 4

Which part of this experiment is the control?

Accepted Answer

The plant with both water and sunlight

Question 5

Which of the following should be kept constant in the experiment?

Accepted Answer

The type of container, The amount of soil, The type of plant, The type of soil

Question 6

What would be the dependent variable in this experiment?

Accepted Answer

Rate of plant growth

Question 7

What was the original hypothesis in Never Cry Wolf?

Accepted Answer

Caribou pop down because of wolf predation.

Question 8

What was Tyler's conclusion regarding the wolves' diet in Never Cry Wolf?

Accepted Answer

The wolves survived mostly on mice

Question 9

What is the independent variable in this experiment?

Accepted Answer

The level of light available, The amount of water available

Question 10

What is the difference between qualitative and quantitative data?

Accepted Answer

Quantitative=numbers; qualitative=descriptions

Question 11

Why did Tyler decide to eat mice in Never Cry Wolf?

Accepted Answer

To try and prove that a large mammal could survive on mice, Because his own food supplies were running low

Question 12

Piranhas are mean

Accepted Answer

Opinion

Question 13

Why is this student not ready for lab?

Accepted Answer

Her hair needs to be tied back, She is not wearing safety glasses, She has too much skin exposed on her arms

Question 14

In a controlled experiment, the independent variable is ___.

Accepted Answer

The factor that is purposely manipulated.

Question 15

What is wrong with this experiment?

Accepted Answer

There are two independent variables

Question 16

A properly designed experiment should have a ___ group as a standard of comparison.

Accepted Answer

control

Question 17

The cat tried to eat the fish.

Accepted Answer

Inference

Question 18

The cat has two wooden legs.

Accepted Answer

Qualitative observation, Quantitative observation

Question 19

What would be an appropriate title for this experiment?

Accepted Answer

The effect of sunlight and water on plant growth

Question 20

What would be an appropriate hypothesis for this experiment?

Accepted Answer

If water or sunlight are withheld, then growth is less

Questions 20