Year 5 Revision notes
Definitions
Seed = part of a plant that grows into a new plant
Embryo = tiny plant inside a seed that can grow into a new plan
Seed coat = outer cover that protects the seed
Germination = when a seed starts to grow
Shrivel = to become small and very dry
Absorb = to take in a substance
Factor = a variable in an investigation or experiment
Factors needed for Germination:
1) Water
2)Oxygen 3) Warm temperature (Note: Light is not needed for germination)
Factors needed for plant growth:
1) Water
2) Air (both oxygen and carbon dioxide) 3) warm temperature
4) Light
Plants create food for themselves by using light energy in a process called photosynthesis
Plant with no water
Plant with no air
Plant with cold temperature
Plant with no light