Sixth Grade Science Experiments (Page 170)

Stretch It! How does temperature affect a rubber band?

STEM Activity

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Have you ever noticed that some objects tend to expand when they get hot, and contract when they cool down? For example, you might run hot water over the lid of a jar that's stuck - this causes the lid to expand, making it easier to twist off. Does this effect work the same way for all materials? Try this fun activity to find out! Read more

Stretchy Rubber Band Science: Weekly Science Activity

Blog Post

What happens to a rubber band's elasticity when the temperature changes? What happens when you heat up or cool down a bunch of molecules? Any exceptions? In this weekly mechanical engineering-themed family science activity, students experiment to find out how rubber bands respond to heating and cooling. Because rubber bands are made of polymer chains, the results may be surprising because a heated rubber band may do the opposite of what you expect! Get… Read more

Student Science for DNA Day

Blog Post

Help students better understand DNA with hands-on student STEM projects from Science Buddies! Explore DNA, Genetics and Genomics with K-12 STEM Projects: Hands-on STEM with Science Buddies. www.sciencebuddies.org National DNA Day is an annual celebration that marks the completion of the Human Genome Project in April 2003 and the discovery of the double helix of DNA in 1953. At all student levels, there are ways for students to learn more about DNA and… Read more

Study Chirality with a Homemade Polarimeter

Science Fair Project Idea

Scientific Method

Some molecules can be either left- or right-"handed." The left- and right-handed molecules have the same number and type of atoms, and their chemical structures look identical, but they are actually mirror images of each other. Many naturally occurring molecules have this property, called chirality. Chiral molecules can interact with polarized light in an interesting way—they rotate the plane of polarization. This chemistry science fair project describes how to make a homemade polarimeter… Read more

Superbugs and Antibiotics: Explore with a Dice Game

Blog Post

Stopping the course of an antibiotic early is one way that bacteria develop greater resistance to available medicines. A new classroom activity, sponsored by Cubist Pharmaceuticals, helps students see how populations of bacteria respond to antibiotics. Using a colorful dice game, students roll the dice to see how many bacteria respond to treatment each day. How much harder is it to kill off a superbug? At the end of the game, the students can tell by looking at the dice that… Read more

Sustainable Construction: Building with Mushroom Roots

Science Fair Project Idea

Scientific Method

Does growing your own house sound futuristic? If so, this project might surprise you! An overlap of biology, material science, and environmental science has resulted in some intriguing self-assembling materials. In this project, you will grow one of these materials: mycelium composite. It is made of agricultural waste and mushroom roots. You will explore two ways to grow your own construction material. Try it out and see which method proves to be the strongest! Read more

Sweet and Sour Tasty Kitchen Science

Blog Post

Family STEM experiment invites sweet and sour taste test fun. What balance of vinegar and sweetener will taste best to your kitchen scientists? Kitchen Mixing Some foods are specifically created to be sour, or even very, very, tongue-wrinkling sour, and others are designed to appeal to our sense of sweet. Many tasty foods even combine ingredients with qualities of sour, sweet, salty, bitter, and savory. Cooks and other food scientists work hard to create amazing and mouthwatering foods… Read more

Swing Low: Investigate the Motion of a Pendulum

STEM Activity

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Did you know that playground swings can provide a good lesson in physics—as well as lots of fun? The back-and-forth motion of a swing is an example of a pendulum. We see pendulums in other areas of our lives as well, such as in grandfather (also known as longcase) clocks. But pendulums can do more than provide fun at recess and help tell the time—among other scientific applications, they can show that the earth is huge! This is because the swinging motion of a pendulum is due to… Read more

Take a Hike: Train Your Robot Dog to Walk with a Virtual Leash

Science Fair Project Idea

Scientific Method

Have you ever walked a dog on a leash? Depending on how well-behaved the dog is, it can be very easy or very difficult. It would be great if you could tell your dog exactly how to behave, right? With that in mind, in this project you will build a robotic dog using a LEGO® Mindstorms® kit that you can teach to "walk" using the beam from a flashlight as a virtual leash. But your robot dog will not know how to walk on a leash on its own — you will have to "train" it, just as you… Read more

Tee Time: How Fast is Your Golf Swing?

Science Fair Project Idea

Scientific Method

The goal of every golfer is to hit the golf ball as far as possible down the fairway. A key factor in determining the distance that the ball will travel is the velocity of the club when it strikes the ball. In this sports science fair project, you will determine exactly how distance is related to club velocity. Time to tee off! Read more

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