Fifth Grade, Physics Science Experiments (223 results)

A siphon is a handy device for emptying out a liquid reservoir that has no drain. For example, they're great for cleaning fish tanks. An interesting aspect of a siphon in action is that the liquid flows "uphill" for a portion of its journey through the tube. This project asks the question, is there a maximum height for that uphill part of the siphon? Read more

Do you have to see it to believe it? You might want to rethink your strategy, as scientists now know that what we perceive can be different from what is really there. Our brain is quite clever in helping us interact with the world, but it can get fooled. Of course, you need to see this to believe this. Try this activity, and you will find out! Read more

While watching the Olympic Winter Games, you might have wondered why skis, which are featured in several events, are so long. The skis used at the Olympics are of top-notch quality. Researchers tinker with every detail, from the materials they are made of to the shape they are cut in. The equipment is tested carefully, as details like these can give an athlete the leading edge on the slope. But why would you put planks under your shoes in the first place? Do this activity to find out! … Read more