Second Grade Science Experiments (Page 83)

Pumpkin Power Project

Blog Post

Many students doing a Veggie Power experiment use potatoes or lemons, but students can experiment with pumpkins, squash, and more! Pumpkin Power! Explore alternative energy and electronics with the Veggie Power kit -- and a pumpkin (or other fruits and vegetables). Hands-on STEM with Science Buddies. Pumpkin Patch Science With Halloween just around the corner, pumpkin-based science can be a fun way to get hands-on during science class or at home. With… Read more

Race Your Marbles to Discover a Liquid's Viscosity

Science Fair Project Idea

Scientific Method

How do you like your mashed potatoes? Thin and whipped smooth? Or thick and mashed into chunks? Your mouth checks out not just the taste of your food, but its viscosity, or how it flows on your tongue, every time you take a bite! In this science fair project, you'll learn what viscosity is, and how to measure it in common liquids around your home. Read more

Recycling Greywater: Can Plants Tolerate It?

Science Fair Project Idea

Scientific Method

One way to conserve water is to find safe ways to use it more than once. Here is a project to test whether greywater (water that has been used for washing or bathing) can be used for watering ornamental plants. Read more

Rise to the Occasion: Investigating Requirements for Yeast Fermentation

Science Fair Project Idea

Scientific Method

Did you ever wonder how yeast makes bread dough rise? This project will show you what yeast does to make this happen. You'll also investigate the conditions yeast needs to grow. Read more

Robot, Make Me a Sandwich!

STEM Activity

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Have you ever wanted a robot assistant that could do all your household chores? Science fiction has been showing us such robots for decades, but they're still not available! What's taking so long? In this project you will investigate some of the challenges in programming a "robot" to do a simple household task, such as making a sandwich. Read more

Rubber Bands for Energy

STEM Activity

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If you've ever been shot with a rubber band then you know it has energy in it—enough energy to smack you in the arm and cause a sting! But have you ever wondered what the relationship is between a stretched rubber band at rest and the energy it holds? The energy the rubber band has stored is related to the distance the rubber band will fly after being released. So can you guess one way to test how much energy a stretched rubber band contains? Read more

Satellite Collision Detection: A Hands-On Coding Experience

Science Fair Project Idea

Engineering Design Process

Have you ever wondered what would happen if two satellites crashed into each other in space? While space may seem empty, Earth’s orbit is actually crowded with satellites and debris. In this project, you’ll step into the role of a space engineer, using real satellite data to model orbits, track their movement, and predict potential collisions. You’ll explore how gravity and speed affect a satellite’s movement and learn how scientists use simple math and code to prevent… Read more

Slip Sliding Away: Experimenting with Friction

STEM Activity

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Have you ever driven up a mountain, seen a sign reading "Hazard! Icy Roads Ahead," and wondered why ice makes roads dangerous to drive on? The answer has to do with friction—specifically, the lack of it. Specifically, in the case of driving a car down the road, the friction that allows the car to move occurs between the tires and the road. This friction normally allows the car to "grip" the road—keeping the tires in contact with the relatively rough road… Read more

Spending Habits: Tightwads vs. Spendthrifts

Science Fair Project Idea

Scientific Method

Do you have a hard time hanging on to your money or do you have a harder time letting it go? This project shows you how to conduct a simple survey to measure how people manage their money. Find out what percentage of your classmates are 'spendthrifts' and what percentage are 'tightwads.' Read more

Splitting Water

STEM Activity

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You use it basically every day and cannot survive without it—no it is not your cell phone, but water! It is one of the most essential compounds of the world and has become an increasingly important issue everywhere. You probably have heard that in many places droughts or water pollution limits clean drinking water supplies, and those supplies keep shrinking. When considering this, have you ever wondered why we do not just make our own water, and what water is actually made of? In this… Read more

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