Third Grade Projects, Lessons, Activities (Page 33)

Testing the Hydrating Power of Hydrogel Face Masks

Science Fair Project Idea

Scientific Method

Do you care about the look and feel of your skin? Then you probably know that your skin prefers to be well hydrated (moisturized). Dry skin often cracks, gets inflamed easily, and looks dull. If you go to the store, you will find many skin care products that promise to hydrate your skin. Among them are cosmetic face masks (sometimes called facial masks) that you put on your face to provide the skin with water and nutrients. In this science project, you will make your own hydrogel face masks… Read more

The Moon and the Stars

Science Fair Project Idea

Scientific Method

Everyone loves looking at the full moon, but are these nights the best time to go stargazing? Can the moon interfere with certain astronomical observations? Read more

The Pasta Puzzle: How Much Water is Required to Cook Pasta?

Science Fair Project Idea

Scientific Method

A plate of spaghetti, meatballs, and marinara sauce is a delicious and comforting meal. It's also an inexpensive meal, because it only costs about $12 to feed a family of four. And it's easy to make when you're on the go and need to eat a quick, but healthy dinner. Just boil a big pot of water, throw in your favorite pasta, cook for 11 minutes, drain, and top with meatballs and warm marinara sauce. Quick and cheap! But sometimes it feels like forever when you are waiting for water to boil,… Read more

Underwater Color Bursts

STEM Activity

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Summertime often brings beautiful fireworks displays. Whereas you normally look up into the sky to see fireworks, in this activity we will take the bursts of color underwater—with chemistry. Although it is not exactly the same as real fireworks, you will be amazed by the color explosions you will see. Curious about what that looks like? See for yourself in this activity! Read more

Use Chemistry to Lift Ice Cubes

STEM Activity

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Have you ever wondered why salt is used to de-ice roads? Did you know that snow sticks more readily to pavement that has been treated with salt? Why would this be the case? In this activity, you will use the same principles to hoist ice cubes with a piece of string. Is it possible to do this without getting your hands cold? Try the activity and see what a pinch of salt can do! Read more

Vibrobots— Tiny Robots from Scratch

Lesson Plan Grade: 3rd-5th

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Vibrobots are tiny robots powered by a vibrating motor, like the type found in cell phones. In this lesson plan, your students will learn about engineering design as they build their own vibrobots from craft materials. No previous experience with robots is required! Read more

NGSS Performance Expectations:

3-5-ETS1-2. Generate and compare multiple possible solutions to a problem based on how well each is likely to meet the criteria and constraints of the problem.

Water from Air: Experimenting with Dew Traps

Science Fair Project Idea

Scientific Method

Most of us live in areas where sources of water exist nearby as oceans, rivers, lakes, ponds, streams, reservoirs, wells, or even underground streams. But in some places, like the desert, water is hard to find and a precious resource. In this environmental engineering science project, you will investigate one way that people living in arid regions can collect water inexpensively: dew traps. Read more

What's the Point of Boiling?

Science Fair Project Idea

Scientific Method

You know that water can exist in three separate phases: solid (ice), liquid (water), and vapor (steam). To change from one phase to another, you simply add (or remove) heat. When water boils, what happens to molecules (for example sugar or salt) that are dissolved in the water? Do they boil off too, or do they stay behind? Read more

Which Liquid Works Best for Evaporative Cooling?

Science Fair Project Idea

Scientific Method

When we get hot, we sweat. Sweating helps cool us down. When the water evaporates, it removes energy from our bodies. This sort of evaporative cooling can also be used to cool homes using what are referred to as swamp coolers. In some cases, these coolers may be more energy-efficient than traditional air conditioners. In this chemistry science fair project, you will find out which liquid works best for evaporative cooling. Read more

You Nailed It! Hammering Force for Different Types of Wood

Science Fair Project Idea

Scientific Method

How much force does it take to drive a nail through different types of wood? In this project you'll build a simple test apparatus to swing a hammer reproducibly so you can find out. Read more

Third Grade Projects, Lessons, Activities (665 results)

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