Lab Safety & Scientific Method Review

Question 1

"How do different bath soaps affect the surface tension of water?" Identify the dependent variable.

Accepted Answer

amount of surface tension

Question 2

When a scientist finds that a hypothesis is wrong, the scientist usually

Accepted Answer

redoes hypothesis

Question 3

"How do different bath soaps affect the surface tension of water?" Identify the independent variable.

Accepted Answer

type of bath soap

Question 4

Report any accident or injury...

Accepted Answer

to the teacher

Question 5

Your hypothesis MUST be in ___________________ form.

Accepted Answer

If, then, because

Question 6

Which piece of lab equipment would you use to measure 14mL of a liquid?

Accepted Answer

graduated cylinder

Question 7

Experiment Question: "Do plants grow better with music?"... Identify the control(s).

Accepted Answer

ALL OF THE ABOVE

Question 8

"How does the shape of an airplane wing affect its lift?" Identify the independent variable.

Accepted Answer

shape of the airplane wing

Question 9

Identify the piece of lab equipment in the picture

Accepted Answer

Erlenmeyer's flask

Question 10

"How does the shape of an airplane wing affect its lift?" Identify the dependent variable.

Accepted Answer

amount of lift experienced

Question 11

After concluding that your tests support your hypothesis, you should...

Accepted Answer

share the results

Question 12

Identify the piece of lab equipment in the picture

Accepted Answer

beaker

Question 13

Identify the piece of lab equipment in the picture

Accepted Answer

graduated cylinder

Question 14

What piece of lab equipment should you use to measure the temperature of a liquid?

Accepted Answer

thermometer

Question 15

"How many eggs will create the best rise in a cake?" Identify the independent variable.

Accepted Answer

amount of eggs used

Question 16

What piece of lab equipment should you use to measure the volume of a liquid?

Accepted Answer

graduated cylinder

Question 17

What is a good example of a question in the scientific method?

Accepted Answer

Does rap music help plants grow?

Question 18

Eating or drinking are not permitted in the lab because...

Accepted Answer

you could be poisoned

Question 19

In a lab you should NEVER...

Accepted Answer

work alone

Question 20

"How many eggs will create the best rise in a cake?" Identify the dependent variable.

Accepted Answer

height of the baked cake

Question 21

Which piece of lab equipment would you use to heat 150mL of a liquid?

Accepted Answer

Erlenmeyer's flask, beaker

Question 22

The information and data that you find during an experiment are called the ______.

Accepted Answer

results

Question 23

What piece of lab equipment should you use to measure the length of an object?

Accepted Answer

metric ruler

Question 24

How many fire extinguishers are in the classroom?

Accepted Answer

2

Question 25

What piece of lab equipment should you use to measure the mass of an object?

Accepted Answer

triple-beam balance

Question 26

Experiment Question: "Do plants grow better with music?"... Identify the independent variable.

Accepted Answer

music

Question 27

Identify the piece of lab equipment in the picture

Accepted Answer

forceps

Question 28

What should you wear in the laboratory to decrease the chance of an injury to the eye?

Accepted Answer

goggles, glasses rather than contacts

Question 29

What must you do before beginning an experiment? (Scientific Method Step 1)

Accepted Answer

make an observation

Question 30

The _________ is the thing that is being tested or changes in your experiment.

Accepted Answer

variable (independent)

Lab Safety & Scientific Method Review

Questions 30

Lab Safety & Scientific Method Review

Questions 30