Materials: Plastic bottle (cut in half) Sand, gravel, activated charcoal Coffee filter or cloth Dirty water (can be made with soil and water) Clear glass or container Goal / What They Will Learn: Learn about physical filtration, sedimentation, and water purification processes. Expected Outcome: The dirty water will come out clearer after passing through the …
Measure pH Using Red Cabbage Indicator Materials: Red cabbage Blender or pot to boil cabbage Strainer Clear cups Substances to test (vinegar, baking soda solution, lemon juice, soap water, etc.) Goal / What They Will Learn: Understand acids, bases, and pH indicators using natural materials. Expected Outcome: The cabbage indicator will change color depending on …
Hot tubs are always relaxing, but why is it that being in one makes you dizzy after mere minutes? This study can help you discover how hot water affects your blood pressure. What you need: • Towel • Bathtub • Hot tub • Stopwatch • Blood pressure (BP) monitor • Pencil • Notebook What to …
If you take a plastic bag and fill it with items until It breaks, will another layer of plastic bag make the first plastic bag stronger? Is it safe to say that if a plastic bag is made thicker by layering more plastic nags in it, they could contain more items? This project tests the …
