High School, Physics Science Experiments (223 results)

You might know that many objects expand, or get bigger, when they get hot, and shrink when they cool down. For example, this is true for metals, wood, and concrete. But did you know that gases such as air can do the same? It is just difficult to see when it happens. This activity will let you “see” air contract using water! Read more

You might have heard the saying “not everything is as it seems.” Something might look great from far away, but when you take a closer look, it might not turn out to be as beautiful as you thought! In this activity, you will create the opposite experience—you will turn a spoon blackened with soot into shiny silver. Even though it is only an illusion, you will not know it when you see it. Try it out for yourself!    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