BREATHING AND EQUIPMENT

Question 1

Test Tube

Answer 1

Used to hold and mix liquids

Question 2

Boiling Tube

Answer 2

Used to heat substances when using a Bunsen burner

Question 3

Measuring Beaker

Answer 3

Used To hold, mix and heat liquids

Question 4

Conical Flask

Answer 4

Used to hold and mix chemicals. Small neck is to help mixing without spilling

Question 5

Funnel

Answer 5

Used to transfer liquids into containers with small openings. Also, used for filtration

Question 6

Measuring Cylinder

Answer 6

Used to measure precise volumes of liquid

Question 7

Tripod

Answer 7

Used to support or hold flasks and beakers during experiments

Question 8

Gauze

Answer 8

Used to support a container, such as a beaker on a tripod

Question 9

Bunsen Burner

Answer 9

Used to heat, sterilise and combust chemicals

Question 10

Heat Proof Mat

Answer 10

Used to prevent damage to the table when using a bunsen burner

Question 11

The Cross Hazard

Answer 11

Harmful Or Irritant

Question 12

Tubes spilling Onto Hands

Answer 12

Corrosive

Question 13

Flame

Answer 13

Flammable

Question 14

Skull

Answer 14

Toxic

Question 15

Yellow Triangle

Answer 15

Radioactive

Question 16

Blowing Up

Answer 16

Explosive

Question 17

Three Circles Together

Answer 17

Biohazard

Question 18

Person Wearing Goggles

Answer 18

Wear Goggles

Question 19

Fire Triangle

Answer 19

Oxygen, Heat, Fuel

Question 20

Breathing

Answer 20

The movement of air in and out of the lungs

Question 21

Trachea (Windpipe)

Answer 21

Carries air from the mouth and throat to the lungs

Question 22

Bronchi

Answer 22

Two tubes that carry air into the lungs

Question 23

Bronchioles

Answer 23

Small tubes in the lungs

Question 24

Alveoli

Answer 24

Small air sacs found at the end of each Bronchiole

Question 25

Ribs

Answer 25

Bones which surround the lungs to form the lungs

Question 26

Diaphragm

Answer 26

A sheet of muscle found underneath the lungs

Question 27

Gas Exchange

Answer 27

The process of exchanging carbon dioxide and oxygen in the alveoli

Question 28

Tar

Answer 28

A sticky black material that collects in the lungs after smoking

Question 29

Nicotine

Answer 29

An addictive drug that speeds up the nervous system

Question 30

Carbon Monoxide

Answer 30

A poisonous gas that stops the blood from carrying as much oxygen as it should

Question 31

Inhalation

Answer 31

Air is drawn into the lungs through the nose and mouth. Muscles between the ribs contract, pulling the rib cage up and out. The lungs expand. Muscles in the diaphragm contract, pulling the air down.

Question 32

Exhalation

Answer 32

Air is forced our of the lungs through the mouth and nose. Muscles between the ribs relax, so the rib cage falls and sinks in. The lungs get smaller. Muscles in the diaphragm relax so the air arches up.

Question 33

Gas exchange

Answer 33

Oxygen and carbon dioxide move between alveoli and the blood. Oxygen is transported to cells for aerobic respiration. Carbon dioxide, a waste product of respiration, is removed from the body.