Scientific Method and Lab Safety

Question 1

Inanexperimenttotestthe effect of exercise on pulse rate, which group is the experimental group

Accepted Answer

the group that exercies

Question 2

When you work in the laboratory, long hair must be

Accepted Answer

tied back

Question 3

You should begin your experiment

Accepted Answer

only when the teacher tells you to

Question 4

Which is a characteristic of life that enables the continuation of a species?

Accepted Answer

reproduction

Question 5

What is a hypothesis?

Accepted Answer

an educated guess

Question 6

__ is an organism's ability to maintain a stable internal environment.

Accepted Answer

homeostasis

Question 7

If you see something in the classroom or laboratory that is dangerous, tell the teacher

Accepted Answer

immediately

Question 8

The human body is made of trillions of cells. What is the term that describes this?

Accepted Answer

multicellular

Question 9

If you are hurt (cut, burned, etc.) tell the

Accepted Answer

teacher immediately

Question 10

Helping to clean up the laboratory or classroom is the job of

Accepted Answer

students leaving the area

Question 11

What is a factor that is changed in an experiment?

Accepted Answer

variable

Question 12

Disturbing other students while they are working in the laboratory is

Accepted Answer

dangerous

Question 13

The correct way to move around the laboratory/classroom is to

Accepted Answer

walk

Question 14

If you think there is something wrong with a piece of equipment, stop, turn it off and tell

Accepted Answer

the teacher

Question 15

In an experiment to test the effect of exercise on pulse rate, which group is the control group

Accepted Answer

the group that does not exercise

Question 16

Which best describes an adaptation?

Accepted Answer

inherited changes in response to environmental factors

Question 17

Which of the following is a biotic factor in a river ecosystem?

Accepted Answer

fish

Question 18

The reason for wearing safety goggles is

Accepted Answer

to protect your eyes

Questions 18