Rock Wool Factory Staff’s Radish Science Project Idea for Kids


A while back, our rock wool factory’s staff promised to share more science project ideas that would be great for children. Today, we are keeping that promise by offering up our radish science project idea. It is simple enough to be completed in a variety of indoor settings and with a modest amount of materials.

Purpose of Our Rock Wool Factory Staff’s Radish Science Project

According to the Farmer’s Almanac, radishes grow optimally in mediums with a 6.0 to 7.0 pH level. The purpose of this experiment is to determine if their assumption is correct. It is also designed to determine what influence, if any, different types of water will have onto the radishes’ growth cycles.

Rock Wool Radish Science Project Supplies List

In order to complete our rock wool factory’s science project, you’ll need to obtain the following materials:

  • Rock wool insulation (i.e. rock wool slabs or mattresses)
  • Notebook and pen for record keeping
  • Hydroponics nutrient solution (A+B)
  • Bottles of plain seltzer water
  • Containers of tap water
  • Package of radish seeds
  • Bottles of spring water
  • pH testing kit
  • Planting trays

Start the project by placing the rock wool insulation of your choice into the planting trays. Then wet the rock wool like you would for any other hydroponic gardening application. When you are finished, use the pH test kit to determine and record the pH levels. Ideally, you should establish a different pH level for each planting tray. The nutrient solution and different types of water should help you do just that.

Next, plant the radish seeds into the rock wool insulation trays and let them grow. As time goes on, feel free to add any additional water or nutrients as needed. Just make sure that you record all of your actions into your project notebook. Afterward, review your results and determine which tray of radishes grew the best. We think that you may just be surprised with the results.

To learn more about our rock wool factory’s products and their many uses, contact us online or by phone. We’d also suggest continuing to follow our blog. You never know what science projects our rock wool factory’s staff may come up with next!

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