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SEED SPROUTING

Test in which liquids do seeds grow best

Suitable For

Grade 5

Difficulty

3

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 is water the best liquid for this process? In this science experiment we will try to ‘germinate’ beans in different liquids, to see which one works most effective:

Topics covered

Germination, Embryo, Hydroponics

What will I need?

  • 6x SMALL SAUCERS
  • BEANS
  • TAP WATER
  • COTTON WOOL
  • SALT
  • SUGAR
  • VINEGAR
  • BABY OIL
  • RUBBING ALCOHOL
  • WHITE CARDBOARD
  • MAGIC MARKER

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. While water, oxygen and energy or ‘heat’ is needed to germinate seeds, each type of seed has its own requirements for the amount of the basics as well as other conditions. Several liquids can be used for growing plants. The effect of the various liquids used in this science experiment, highly depends upon the nature of the seeds used. Water, salt water, sugar water and vinegar should all work well, whereas the baby oil and rubbing alcohol would not work to germinate the seeds.

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