High School Science Experiments (Page 121)

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

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

Strength of Glues

Science Fair Project Idea

Scientific Method

Try gluing wood together with different types of glue, e.g.: regular white glue, yellow wood glue, cyanoacrylate (super glue), and Liquid Nails. Glue a short piece (5-8 cm) to the center of a longer piece (15-30 cm). After the glue has dried for the recommended time, drill a small hole through the center of the joint, big enough to pass through a piece of coat-hanger wire. Cut a length of coat hanger wire, pass it through the hole, and twist the ends together to form a loop. Place the ends… 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

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

Blog Post

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

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 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

Sunset Colors in a Glass

STEM Activity

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Have you ever watched a sunset and wondered why the sky suddenly changes from blue to orange and red? Even during the day, the sky can have multiple colors ranging from bright blue to grey or white. Where do these colors come from? In this activity you will find out, and simulate your own sunset in a glass! Ready to let the sun go down? Read more

Sunspot Cycles

Science Fair Project Idea

Scientific Method

Sunspot activity has been monitored continuously since about 1700. The historical data shows that sunspot activity rises and falls in a roughly 11-year cycle. This project shows you how you can use both graphical and statistical analysis to look for patterns in cyclical data. 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

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