Science: Formulas

Question 1

(aerobic) Respiration

Answer 1

glucose + oxygen → carbon dioxide + water (+ energy)

Question 2

Pressure

Answer 2

Pressure = force/area

Question 3

Weight

Answer 3

Weight = mass x gravity

Question 4

Voltage

Answer 4

Voltage = current x resistance

Question 5

Photosynthesis

Answer 5

carbon dioxide + water → glucose + oxygen (using sunlight)

Question 6

Anaerobic respiration (humans)

Answer 6

Glucose → Lactic acid (+ energy)

Question 7

Anaerobic respiration (plants and other similar organisms)

Answer 7

Glucose → Ethanol + Carbon dioxide (+ energy)

Question 8

Speed

Answer 8

Speed = Distance/Time

Question 9

Liquid to Gas

Answer 9

Evaporation

Question 10

Gas to Liquid

Answer 10

Condensation

Question 11

Solid to Gas

Answer 11

Sublimation

Question 12

Gas to Solid

Answer 12

Deposition

Question 13

Solid to Liquid

Answer 13

Melting

Question 14

Liquid to Solid

Answer 14

Freezing

Question 15

Independent Variable

Answer 15

is the variable that changes

Question 16

Dependent variable

Answer 16

is the variable that is being measured

Question 17

Controlled variable

Answer 17

is the variable that is kept the same

Question 18

Density

Answer 18

Density = mass/volume

Question 19

Moment

Answer 19

Moment = perpendicular distance x force

Question 20

Force

Answer 20

Force = mass x acceleration

Question 21

Hydrochloric acid 2nd part of salt

Answer 21

chloride

Question 22

Sulfuric acid 2nd part of salt

Answer 22

sulfate

Question 23

Nitric acid 2nd part of salt

Answer 23

nitrate

Question 24

Acid + Metal

Answer 24

Salt + Hydrogen

Question 25

Acid + Alkali

Answer 25

Salt + Water

Question 26

Acid + Metal Carbonate

Answer 26

Salt + Water + Carbon Dioxide

Question 27

What is the gravitational field strength on Earth?

Answer 27

10 m/s squared