First Grade Science Experiments (Page 173)

Earth Day Any Day: Doing Fun Science at Home during School Closures (Activity #16)

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... exploring solar energy by building a solar updraft tower. Any Day (or Every Day) Can Be Earth Day Earth Day 2020 marks 50 years since the first Earth Day celebrations — I didn't think we'd be spending it like this! Typically,… Read more

Earth Surface Dynamics

Science Fair Project Idea

Scientific Method

Think about mountain ranges, canyons, sand dunes, or any other interesting geological feature you may live near enough to visit. The surface of the Earth is always changing due to a balance of forces both above and below the surface. Below-surface forces cause the Earth's crust to be faulted, folded, tilted, and lifted. Above-surface forces are primarily due to the natural processes of weathering and erosion. Can you show the effects of these forces using scale models, demonstrations,… Read more

Earthquake Safety and Science Activities

Blog Post

Shake things up when you pair one of these hands-on earthquake science activities with safety information for International ShakeOut Day October 17, 2019 is International ShakeOut Day, a day when millions of people will review the recommended 3-step "Drop, Cover, and Hold On" advice for safety during an earthquake. Earthquake Science Lessons and Activities In the U.S., you may think of earthquakes mostly in the context of California, Alaska,… Read more

Earthworm Castings — The Ideal Proportion in Soil for Young Garden Plants

Science Fair Project Idea

Scientific Method

Everybody knows that worms are good for the soil, but not everybody knows why. Here's a project that investigates just one of the ways earthworms improve the earth. Would earthworm castings (or earthworm manure) help your plants prosper and flourish? If so, how much should you use? Read more

Eco-Friendly Squishy Robots

Science Fair Project Idea

Scientific Method

In our introductory VoxCAD project, you were challenged to use the VoxCAD software to design the fastest possible robot using different materials. However, we did not ask you to think about one big thing — efficiency. It is great to design a robot that is very fast, but what if it also consumes a lot of energy? Engineers must consider this when designing robots in the real world — robots that use more energy to move will drain their batteries faster, which can be a problem. This is… Read more

Eeew, Dog Breath! Does Active Play Take Your Dog's Breath Away?

Science Fair Project Idea

Scientific Method

When you're chasing after your dog, do you ever stop and say, "Wait, I have to catch my breath!"? Do you think that there are times when your dog feels like that, too? Does your dog's respiration rate change when you two are playing active games together? Try this playful science project to find out! Read more

Eeew! Maggot Mass Temperature

Science Fair Project Idea

Scientific Method

If you're looking for an experiment that will gross out just about everyone, you probably can't do much better than this! This project investigates an important question in the field of forensic entomology. Just make sure to get permission at home before you start. Read more

Effect of Temperature on Elasticity of Rubber Bands

Science Fair Project Idea

Scientific Method

How much force can a rubber band withstand before breaking? Do rubber bands that stretch longer take more or less force to break? How does the elasticity of a rubber band change with temperature? Use a spring scale to measure the applied force, and a meter stick or ruler to measure the change in length. Recording with a video camera (or possibly two) can help you to capture the values at the moment before the rubber band breaks. You can change the temperature of the rubber bands using… Read more

Egg Science Projects for K-12 Students

Blog Post

If there are eggs around the house for Easter, there are plenty of opportunities for exciting student science exploration. Try these projects and activities at home or at school. From physics to chemistry to materials science and engineering, eggs are full of science potential—no yolk joke! K-12 STEM: Science Projects About Eggs: Projects or Activities for Home or School. Hands-on STEM with Science Buddies. www.sciencebuddies.org Eggy Student… Read more

Encryption

Science Fair Project Idea

Scientific Method

Want to send coded messages to your friends? Can you write a simple letter-substitution encryption program in Python or JavaScript? How easy is it to break the simple code? Can you write a second program that "cracks" the letter-substitution code? Investigate other encryption schemes. What types of encryption are least vulnerable to attack? Read more

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