Science tools

Question 1

What is the primary function of a Bunsen burner?

Answer 1

To provide a controlled flame for heating substances in a laboratory.

Question 2

True or False: A Bunsen burner can be adjusted to produce a yellow or blue flame.

Answer 2

True

Question 3

Fill in the blank: The _______ controls the amount of air that mixes with the gas in a Bunsen burner.

Answer 3

air vent

Question 4

What safety equipment should be worn when using a Bunsen burner?

Answer 4

Safety goggles and a lab coat.

Question 5

What is the purpose of the collar on a Bunsen burner?

Answer 5

To adjust the air supply and control the flame type.

Question 6

Multiple Choice: What color flame indicates complete combustion in a Bunsen burner? A) Yellow B) Blue C) Red

Answer 6

B) Blue

Question 7

How should a Bunsen burner be lit safely?

Answer 7

Use a striker or match to ignite the gas after it has been turned on.

Question 8

True or False: It is safe to leave a lit Bunsen burner unattended.

Answer 8

False

Question 9

What is the function of a beaker in a science lab?

Answer 9

To hold, mix, or heat liquids.

Question 10

Fill in the blank: A _______ is used to measure the volume of a liquid accurately.

Answer 10

graduated cylinder

Question 11

Multiple Choice: Which tool is best for transferring small amounts of liquid? A) Beaker B) Pipette C) Test tube

Answer 11

B) Pipette

Question 12

What is the purpose of a test tube holder?

Answer 12

To securely hold test tubes while heating or mixing.

Question 13

True or False: Test tubes can be used to hold solid samples.

Answer 13

True

Question 14

What is a petri dish primarily used for?

Answer 14

To culture microorganisms.

Question 15

Fill in the blank: The _______ is used to heat substances in a laboratory setting.

Answer 15

Bunsen burner

Question 16

Multiple Choice: Which of the following is NOT a lab safety rule? A) Wear gloves B) Eat in the lab C) Know the location of safety equipment

Answer 16

B) Eat in the lab

Question 17

What is the importance of labeling equipment in a lab?

Answer 17

To ensure proper identification and avoid accidents.

Question 18

True or False: It is acceptable to use damaged lab equipment.

Answer 18

False

Question 19

What is the function of a thermometer in a lab?

Answer 19

To measure the temperature of substances.

Question 20

Fill in the blank: A _______ is used to mix solutions and can also be used for heating.

Answer 20

flask

Question 21

Multiple Choice: What type of flame is preferred for heating substances? A) Yellow flame B) Blue flame C) Red flame

Answer 21

B) Blue flame

Question 22

What should you do if you spill a chemical in the lab?

Answer 22

Follow your lab’s safety protocols for cleaning spills.

Question 23

True or False: You can use any gas source with a Bunsen burner.

Answer 23

False

Question 24

What is the role of a fume hood in a laboratory?

Answer 24

To ventilate hazardous fumes and protect the user.

Question 25

Fill in the blank: A _______ is used to hold or support equipment in a lab.

Answer 25

ring stand