Third Grade Science Experiments (Page 103)

Space Science & Mars STEM Lessons and Activities

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Use these free STEM lesson plans, projects, and hands-on STEM activities to explore space science and the solar system with students. These science projects, STEM activities and NGSS-aligned lesson plans help educators create hands-on learning opportunities to teach about space science, the solar system, and Mars, in the context of the Perseverance rover. At the bottom of this resource, you will find a list of independent space science projects… Read more

Species Science: Weekly Science Project Idea and Home Science Activity Spotlight

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In this week's spotlight: a pair of science projects for buggy, backyard exploration. What does it mean for an area to be have a lot of biodiversity? Why is this important to the health of an ecosystem? How do scientists measure biodiversity? You can explore by doing a study of the biodiversity of insects in your own backyard using a homemade bug collector. This week's hands-on science project and activity guide either an independent project or a family investigation. How many types of… Read more

Spinning Colors: How Do Primary Colors Combine to Make New Colors?

Science Fair Project Idea

Scientific Method

Did you know that sunlight can actually be separated into the colors of the rainbow? And the light of different colors can be added together to make white light or new colors. This is an area of study where art and science overlap. In this science fair project, you will explore this area by drawing or painting "pie slices" onto a white circle and then combining them to make a new color by spinning the wheel using an electric drill. Read more

Sprouting Sweet Potatoes Slips

Science Fair Project Idea

Scientific Method

Have you ever enjoyed eating a tasty sweet potato? They can be served as yummy mashed sweet potatoes with melted butter, turned into golden-brown sweet potato fries, or prepared in many other scrumptious ways. Did you know that you can make a sweet potato grow into a sweet potato plant, and grow several sweet potatoes this way? In this science project, you will grow your own sweet potato plants and investigate what part of the sweet potatoes is needed to grow the plants. Read more

Statistical Science: M&M Math

STEM Activity

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Have you ever wondered weather the outcome of a certain activity is predictable? For example, if you’re randomly picking a chocolate out of a box of mixed chocolates, can you predict how likely it is that you’d end up with a specific type of chocolate, such as a caramel-filled chocolate? To investigate this tasty topic, in this activity you’ll determine the frequency of different colored M&M’s in a package of M&M candies. M&M’s are… Read more

STEM at Home for Winter Break

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School may be out for Winter Break, but Science Buddies has plenty of awesome science, technology, engineering, and math activities to keep kids inspired and excited at home! Give your kids great "to do" options for a fun and engaging Winter Break. Set Them Up with Engaging Science Activities at Home The winter break from school is a great time for hands-on activities with the kids. Spend family time exploring something scientifically cool, or set your kids up with a few materials and… Read more

Stop Slumping: What Makes Foams Stand Up Straight

Science Fair Project Idea

Scientific Method

Here's a riddle for you: What would a latté be without a froth of bubbly milk on top? Answer: Black coffee! And how about a pumpkin pie without the whipped cream? Answer: Sad. Delicious, edible foams are everywhere, from sodas, meringues, and soufflés to mousses and whipped creams. They provide a delicious, spongy contrast to the foods they accompany, and their airiness releases aromas that enhance the eating experience. So, what makes a good foam? One with high volume and lots of… Read more

Stride Science: Weekly Science Project Idea and Home Science Activity Spotlight

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How fast do you walk a certain distance? How is your height related? In this week's spotlight: a sports science project that invites students and families to examine the relationship between walking pace and height. Do you have to walk faster or slower to keep up with a friend or family member? How is that related to how tall each of you is, and why? Can you estimate how tall someone is by how many steps they take to cover a certain distance? Put… Read more

Study Bottle Rocket Performance with Electronic Sensors

Science Fair Project Idea

Scientific Method

Rocket design and operation is a fascinating field and analyzing the flight path provides insight into the rocket's performance. In this project, you will take measurements of the flight path to evaluate how a change in the rocket design or launch procedure impacts the rocket's performance. Initially, while the bottle rocket expels water (or the rocket expels exhaust), the rocket gets a boost. This push is referred to as thrust and projects the rocket forward. Earth's gravity pulls the rocket… Read more

Sweaty Science: Weekly Science Project Idea and Home Science Activity Spotlight

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In this week's spotlight: a sports science project and family activity that lets you experiment to find out how different activities affect your heart rate. Exercise is important, but do all forms of exercise make your heart work the same? Does your heart work as hard when you are walking as it does when you are jumping on a trampoline or playing a game of basketball? Which activities and exercises really get your heart going? What does it feel like when your heart starts working harder?… Read more

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