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TEMPERATURE AND SEEDS

Study how temperature can affect how fast seeds germinate

Suitable For

Grade 5

Difficulty

1

Time Required

 <2 Weeks

Supervision

Advised

What’s it about?

‘Germination’ is the process in which a plant grows or ‘sprouts from a plant ’embryo’ contained in a seed into a seedling. Seeds require a number of things to grow successfully into a healthy seedling. One of the most important items required for ‘germination’ is water, but the ‘temperature’ of the soil also plays a big role in the effective germination of plant seeds, as you will see in the following science experiment:

Topics covered

Germination, Embryo, Hydroponics

What will I need?

  • 3x LARGE GLASS JARS
  • BEAN PLANT SEEDS
  • TAP WATER
  • SMALL ROCKS
  • POTTING SOIL
  • PENCIL
  • PAPER

Procedure (Method)

Unfortunately, this section is only available in the e-book version of the project.

How does it work?

Unfortunately, this section is only available in the e-book version of the project.

Before germinating, seeds can remain dormant for many years and will only germinate under the right conditions. Water, oxygen and energy or ‘heat’ is needed to germinate seeds. The seeds in the freezer will hence take the longest to germinate due to the least amount of energy or ‘heat’ available to them, and the seeds in the house will germinate earliest due to more heat available to them to speed up the germination process.

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