Scince Revion For Test

Question 1

Aerobic respiration

Answer 1

Glucose + oxygen ->carbon dioxide + energy

Question 2

Anaerobic respiration

Answer 2

Glucose + less oxygen -> lactic acid + some energy

Question 3

Fermentation

Answer 3

When plants carry out anaerobic respiration

Glucose -> ethanol + carbon dioxide

Question 4

Endothermic reaction

Answer 4

Taking in energy and transforms into a substance

Question 5

Exothermic reaction

Answer 5

Gives out energy

Question 6

Thermal decomposition

Answer 6

Breakdown of compounds into two or more simpler substances using heat

Question 7

Combustion

Answer 7

Fuel is a chemical substances that releases energy and it burns .burning to make heat and light

Question 8

Conservation of mass

Answer 8

Mass of reactants are equal to the mass of products

Question 9

Photosynthesis

Answer 9

Plants make their own food by photosynthesis.
Carbon dioxide + water -> glucose and oxygen
This happens in the chloroplast

Question 10

Chlorophyll

Answer 10

Makes plants green

Question 11

Stomata

Answer 11

Cells which allow gasses to pass through

Question 12

Palisade cells

Answer 12

Absorb light from the sun

Question 13

Waxy cuticle

Answer 13

Is to provides protection from the sun so water doesn’t evaporate