Elementary School Science Experiments (Page 176)

Homemade Compass: Weekly Science Activity

Blog Post

In this week's spotlight: a physics-focused family science activity that can help everyone in the family get a better sense of where you are—or in what direction you are heading. In this activity, students make a small, working compass using part of a cork, a needle, and a magnet. Once the compass is created, students can put it to the test. Does the direction the homemade compass points match up to what another navigational device or app says? Families can experiment with other… Read more

Honesty: How Prevalent Is It?

Science Fair Project Idea

Scientific Method

How trusting are you? Do you think people are basically honest, or do you think people are usually honest only when they think someone is watching? This project explores how well the honor system works for a bake sale-type charity donation. Find out if your hunch is correct. Read more

Hot Pot: Choosing the Right Pot in Which to Cook Your Meals

Science Fair Project Idea

Scientific Method

What is cooking? Cooking is applying heat to food in order to help make it taste good. But the decision to cook your food doesn't end there. Do you want to cook it at a low temperature for a long time or do you want to apply high heat and cook or sear it right away? You might think that a pot is just something in which to cook your food, but it is also a cooking tool. Pots and pans are made from different kinds of materials, such as aluminum, stainless steel, iron, and ceramics. Each of these… Read more

Household Water Usage

Science Fair Project Idea

Scientific Method

How much water do you use? Conserving water can do more than save your parents' money, it can also save freshwater ecosystems, wetlands, and watersheds. Some companies are trying to help fix the problem by making low flow faucets and showerheads. How well do they work? How much water can you save? Go to the hardware store to buy a few of the water saving products. Compare the amount of water that you run over a period of time to determine how much water you can save. Which water saving… Read more

Hovercraft: Doing Fun Science at Home during School Closures (Activity #28)

Blog Post

Follow along with a Science Buddies parent who is using family STEM activities to keep her kids learning at home during the COVID-19 school shutdown. New posts every Monday, Wednesday, and Friday. Today's adventure... building balloon hovercraft. Two homemade hovercrafts made from balloons and CDs and decorated with smiley faces Balloons + Science = Party Time Balloons automatically make everything more festive. Whether that's due to their… Read more

How a Comet's Size Affects How Fast It Melts

Science Fair Project Idea

Scientific Method

Comets—big lumps of rock, ice, and frozen gases that orbit the Sun—are among the most amazing heavenly objects seen in the night sky. The glowing tail behind the comet's nucleus inspires wonder. But did you know that a comet's tail is evidence that it's melting? As a comet passes by the Sun on its orbital path, it starts to melt. But do bigger comets melt faster than smaller comets? In this astronomy science project, you will investigate how the size of the comet affects the… Read more

How Antibiotic Resistant Bacteria Take Over

STEM Activity

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Have you ever had to take antibiotics? Your doctor probably told you to finish taking all the pills even if you felt better after one or two days. But why is that? Why shouldn't you stop taking antibiotics as soon as you feel better? You might be surprised to hear that if you do, you might contribute to the creation of antibiotic resistant "superbugs!" Find out how these superbugs can develop in this activity by rolling dice to model how different bacteria respond to an antibiotic treatment. Read more

How are Biological Medicines Made?

STEM Activity

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Biologic manufacturing is a multi-step process for creating a biological product that can help reduce symptoms or treat a disease. Below is an image of an overview of the drug development process you will be modeling. Figure 1. Overview of the basic steps of the biologic development process modeled in this activity. Read more

How Can Life Survive on a Planet with Extreme Tidal Locking?

Science Fair Project Idea

Scientific Method

Have you ever wondered what life might look like on other planets? Life might need to survive conditions that would seem very extreme to us. Such conditions likely exist on planets that orbit abundant red dwarf stars. These planets can undergo tidal locking, which means one side is a perpetual, freezing night and the other is a perpetual, scorching day! How does life stand a chance? In this science project, you will test what extreme temperatures microscopic life can survive to model some of… Read more

How Can Your Faucet Save Water?

Science Fair Project Idea

Scientific Method

One way to save water is to turn the faucet off while you brush your teeth. But did you know that there are products that can help save water even while the water is on? In this experiment find out how low-flow faucets and aerators work to reduce the flow of water. How much water can you save? Read more

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