Sixth Grade Science Experiments (Page 135)

Wind Turbines and Energy from Wind Turbulence

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Wind turbines can be used as a source of clean, renewable energy. With their tall towers, wind turbines harness the movement from the wind-spun blades to generate electricity. The positioning of a wind turbine, however, will determine how effective it is. Environmental and civil engineers carefully evaluate the placement of wind turbine towers to help ensure they get maximum exposure to wind. What happens when there are buildings, trees, or other objects nearby? In this family science… Read more

Winglets in Wind Tunnels

Science Fair Project Idea

Scientific Method

Winglets are the short vertical "fins" at the wingtips of some airplanes. Have you ever wondered why they are there? If you have access to a wind tunnel, you can build model airfoils with and without winglets and see for yourself. If you're really ambitious, you can also build your own wind tunnel. Read more

Winter Science Projects, Lessons, and STEM Activities

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Warm up with hands-on science and engineering! Match winter's cold weather, snow, and ice with these free lessons and activities for engaging hands-on STEM. STEM Activities to Bring Winter Themes to Science Class 1. Make Foamy Snow In the Foaming Fake Snow activity, students use baking soda and water to make fake snow they can then use to make snow people or other small sculptures. Like real snow, the fake snow won't last. What happens when… Read more

Wire Wilt: How Light-Emitting Diodes Fade As Temperature Increases

Science Fair Project Idea

Scientific Method

What's your favorite thing to do on the hottest day of the year? Dip your toes in an icy river? Hang out by the pool? Retreat to a cool basement? Lie motionless in the shade? You're probably not too eager to move around and put out a lot of energy, like mowing the lawn in the mid-afternoon sun. Well, you're not the only one. In this electronics science fair project, you'll find out that some semiconductor devices, like light-emitting diodes (or LEDs), act the same way. As their internal… Read more

Worm Observation

STEM Activity

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Earthworms are important for the soil and a lot of fun to study. Few people know there are over 2,000 types of earthworms. Some like to burrow deep in the soil, while others stay near the surface. Do you know what they eat, or what their eating and burrowing habits are? Fill a pot with moist dirt, add a few worms, and observe your worms to find out. Read more

Write Your Own Calculator Program

Science Fair Project Idea

Engineering Design Process

When you need a calculator, what do you use? A physical calculator? An app on your phone? A web browser? What features does the calculator have? Does it just do basic arithmetic (addition, subtraction, multiplication, and division)? Can it do other mathematical functions, like square roots or exponents? Can you use parenthesis? Does it have a backspace button? That is a lot to consider for a seemingly very simple device or program! For a computer science project, can you write your own… Read more

Zapping Yeast with X-rays

Science Fair Project Idea

Scientific Method

Have you ever wondered how X-rays affect living organisms? You have probably had X-rays taken at the dentist's or doctor's office. These X-rays are considered to be relatively safe, but every X-ray exposes a person to some radiation, specifically electromagnetic radiation. Radiation is energy that travels through space as either waves or high speed particles. Watch this video to learn more about electromagnetic radiation. When the energy in X-rays encounters an object, it can… Read more

12 Engineering Design Challenges Perfect for Remote Learning

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Now, while students are working from home and educators are providing STEM content via remote learning tools, may be a perfect time to spark student attention with an engineering design challenge. Engineering design challenges encourage students to brainstorm, design, build, test, problem solve, troubleshoot, tinker, innovate, and iterate. Try one of these free challenges to get kids started on an engineering design project. Engineering Challenges are… Read more

12 STEM Activities for Lunar New Year

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Celebrate Lunar New Year and the Year of the Horse with these free science and engineering activities for enriching hands-on STEM. What is Lunar New Year? Lunar New Year (also known as Chinese New Year) begins February 17, 2026. Lunar New Year starts with the new moon that happens in late January or February. Celebrations continue for 15 days and culminate with a Lantern Festival. In Chinese culture, 2026 will mark the Year of the Horse. There are… Read more

14 Balloon Science Activities

Blog Post

Engaging student science doesn't always require specialty materials. These hands-on STEM projects all use balloons! Hands-on Science with Ballons. Hands-on STEM with Science Buddies. www.sciencebuddies.org K-12 Science Projects and Activities Balloons can be used in a wide range of student hands-on science projects. From powering a car or propelling a hovercraft to enabling exploration of rocket science, kids can experiment with physics, aerodynamics,… Read more

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