OB58 investigate the conditions necessary for germination
Germination is the name given to seeds coming to life.
What do you think they need to grow ?
Where do seeds usually grow, what do they get there?
Events in Germination
1. Seeds absorb water
2. Food supply is started to be used
3. Radicle grows and bursts out through the testa.
4. Plumule emerges above ground and new leaves form.
To Investigate the conditions necessary for seeds to germinate
test tubes, test tube rack, cress seeds cotton wool, spatula, oil, access to boiled water, calcium chloride
Test Tube A Grew / Did Not Grow What did test tube A lack ? What does this mean ?
Test Tube B Grew / Did Not Grow
Test Tube C Grew / Did Not Grow What did test tube C lack ? What does this mean ?
Test Tube D Grew / Did Not Grow
Test Tube E Grew / Did Not Grow What did test tube E lack ? What does this mean ?
Seeds require water, Oxygen and warmth in order to germinate.
Light is not necessary for seeds to germinate