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Science Buddies

Science Buddies: How Much Baking Powder Do Quick Breads Need?

For Students 6th - 8th
If you like to bake, this could be a good project for you. There is a purpose for each of the ingredients in your recipes, but not everyone is always aware of what that purpose may be. Though this lab takes multiple days, you will...
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Science Buddies

Science Buddies: Can Baking Soda Substitute for Baking Powder in a Recipe?

For Students 9th - 10th
There's nothing quite like the smell of fresh-baked muffins for breakfast on a Saturday morning. If you're into baking, you might want to try this insightful project that lets you witness the chemistry behind making muffins. You'll get...
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Science Buddies

Science Buddies: Determining Iodide Content of Salt

For Students 9th - 10th
In this week long "kitchen chemistry" project you will use chemicals from the supermarket to test for the presence of iodine and iodide in salt. These are common micronutrients added to some preparations of table salt. A materials list,...
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Science Buddies

Science Buddies: How Much Energy Is Stored in Different Types of Food?

For Students 9th - 10th
In this project you'll learn a method for measuring how much chemical energy is available in different types of food. You will build your own calorimeter to capture the energy released by burning a small food item, like a nut or a piece...
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Science Buddies

Science Buddies: Lowering the Freezing Point of Water

For Students 9th - 10th
When it comes to making ice cream, in order to make the mixture cold enough to freeze, you surround the container with ice and rock salt. This experiment helps you learn how the addition of salt (or other substances) affects the freezing...
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Science Buddies

Science Buddies: Using Daphnia to Monitor Water Toxicity

For Students 9th - 10th
In a bioassay, a living organism serves as a detector for toxins-the same way canaries were used in coal mines to detect invisible toxic gases. In this project, water fleas (Daphnia magna), a freshwater crustacean, are used in a bioassay...
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Science Buddies

Science Buddies: Skipping Science: An Experiment in Jump Rope Lengths

For Students 9th - 10th
A great experiment to determine how different lengths of rope influence the rate of jumping with the rope. The Science Buddies project ideas are set up consistently beginning with an abstract, objective, and introduction, followed by a...
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Science Buddies

Science Buddies: Circumscribing a Circle About a Triangle

For Teachers 9th - 10th
Here is a project that combines Computer Science and Mathematics. Prove a method for circumscribing a circle about a triangle (as shown). You'll also learn how to create an interactive diagram to illustrate your proof, using an applet...
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Science Buddies

Science Buddies: Taking Off on a Tangent

For Students 9th - 10th
This is an interesting geometry project that goes back to the time of Archimedes, the famous Greek mathematician. You can combine this mathematical project with computer science and take this ancient problem into the twenty-first century...
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Science Buddies

Science Buddies: Which Team Batting Statistic Predicts Run Production Best?

For Students 9th - 10th
Here's a sports science project that shows you how to use correlation analysis to choose the best batting statistic for predicting run-scoring ability. You'll learn how to use a spreadsheet to measure correlations between two variables.
Lesson Plan
Science Buddies

Science Buddies: Inscribing a Circle in a Triangle Using the Geometry Applet

For Teachers 9th - 10th
Here is a project that combines Computer Science and Mathematics. Prove a method for inscribing a circle within a triangle (as shown). You'll also learn how to create an interactive diagram to illustrate your proof, using an applet that...
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Science Buddies

Science Buddies: Baseball Bat Debate: What's Better, Wood or Aluminum?

For Students 9th - 10th
Science and math abound in baseball. In this project, you can produce some interesting baseball statistics of your own and perhaps settle a long-standing debate. You'll set up experiments at your local playing field to find out which...
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Science Buddies

Science Buddies: The Leaning Tower of Pasta

For Students 9th - 10th
Here's a project for a budding architect or structural engineer. Can you make a strong, lightweight tower using only uncooked spaghetti and white glue? In this project, you'll learn about materials testing and apply what you learn to...
Lesson Plan
Science Buddies

Science Buddies: Nothing but Net: The Science of Shooting Hoops

For Teachers 6th - 8th
Swish. What a great sound when you hit the perfect shot and get nothing but net. Here's a project to get you thinking about how you can make that perfect shot more often.
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Science Buddies

Science Buddies: Which Wing Design Creates the Greatest Lift?

For Students 9th - 10th
Airplane wings do not all have the same design. With this Science Buddies project you can design your own wings to see which offers the greatest lift. The Science Buddies project ideas are set up consistently beginning with an abstract,...
Lesson Plan
Science Buddies

Science Buddies: Are There Dangerous Levels of Lead in Local Soil?

For Teachers 3rd - 8th
The element lead is a neurotoxin that is particularly dangerous to young children. Among other uses, lead compounds were common paint additives until being phased out for safer titanium-based additives beginning in the 1960's. Lead...
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Science Buddies

Science Buddies: Under Pressure: Ball Bouncing Dynamics

For Students 6th - 8th
Many sports use a ball in some way or another. We throw them, dribble them, hit them, kick them, and they always bounce back. What makes a ball so bouncy? In this experiment you can investigate the effect of air pressure on ball bouncing.
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Science Buddies

Science Buddies: Forensic Science: Building Your Own Tool for Identifying Dna

For Students 9th - 10th
When biologists want to separate different pieces of DNA, RNA, or proteins they use a technique called gel electrophoresis. In this science project you'll build a gel electrophoresis chamber and use it to discover how many components are...
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Science Buddies

Science Buddies: Does a Cell Phone Conversation Affect Reaction Time?

For Students 9th - 10th
Does talking on a cell phone make one a more dangerous driver? Here is an experiment you can do to investigate whether reaction time is adversely affected by a simultaneous phone conversation.
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Science Buddies

Science Buddies: How Fast Can You Shoot a Hockey Puck?

For Students 6th - 8th
In this project, you'll need: a puck, a hockey stick, a tape measure, at least one helper with a stopwatch and an empty rink. Have your friend start the watch just as you make contact with the puck, and stop it when the puck hits the...
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Science Buddies

Science Buddies: Think Fast!

For Students 3rd - 5th
Are you a piano player or a video gamer? Then you might have a quick reaction time that can come in handy while playing sports. Find out how to measure your reaction time and compare it to your friends and family with this fun experiment.
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Science Buddies

Science Buddies: Are Laminates Stronger?

For Students 3rd - 5th
If you love to hit the half pipe with your snowboard or skateboard, then you have tested the strength and durability of laminates. Laminates are sandwiches of different materials that are glued together in layers to give strength and...
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Science Buddies

Science Buddies: Lichenometry: An Accessible Method for Dating Recent History

For Students 9th - 10th
Geology and archeology are examples of historical sciences. Their practitioners rely on multiple methods for establishing dates and temporal sequences as they seek to construct a history from the available evidence. This project will...
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Science Buddies

Science Buddies: Why Do Aerobie Flying Rings Go So Much Further Than Frisbees?

For Students 6th - 9th
Use the instructions from this Science Buddies project to develop your hypothesis on whether flying rings fly farther than flying disks. The Science Buddies project ideas are set up consistently beginning with an abstract, objective, and...

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