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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: Crank Up the Music!

For Students 3rd - 5th
Cranked powered appliances and gadgets are becoming more and more prevalent. Items used in America such as flashlights and radios are one example. However, in third world countries, radios have many uses, some important and educational,...
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Science Buddies

Science Buddies: Batteries: The Shocking Truth

For Students 6th - 8th
Here you can find what you need to scientifically assess battery performance. In this exercise (that should take about one week) learn how batteries work, how they wear out and most importantly, how to make valid measurements to assess...
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Science Buddies

Science Buddies: Solar Speedway

For Students 6th - 8th
Solar power is hot these days. Gleaming, black solar panels soak up rays on more and more rooftops of homes and businesses providing a clean, alternative source of heat and electricity. You might guess that different times of the day...
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Science Buddies

Science Buddies: A Battery That Makes Cents

For Students 3rd - 5th
Batteries are expensive to purchase in a store, but you can make one your self for exactly 24 cents. In this experiment, you will make your own voltaic pile using pennies and nickels and determine how many coins in a pile will make the...
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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: Making Species Maps

For Students 9th - 10th
Conservation biologists know which places are important to protect. How nature guides know which animals can be found in which places, are made possible partly by conservation biology. This experiment allows you to discover how maps can...
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Science Buddies

Science Buddies: Deep Knee Bends: Measuring Knee Stress With a Mechanical Model

For Students 9th - 10th
Prosthetic limbs and artificial joints can help people with disease or injury lead a normal life. Sports medicine or physical therapy is also an area that relates to this experiment. Either way, this project serves as a good match if any...
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Science Buddies

Science Buddies: Are You Left or Right Sided?

For Students 3rd - 5th
Our brains are split into two parts, right inside our head. One half is the left brain and the other half is the right brain. Each side of your brain controls different parts of your body and most people are more dominant controlling one...
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Science Buddies

Science Buddies: Heart Rate Recovery Times

For Students 9th - 10th
After exercise, your heart rate increases, this is normal for everyone. However this experiment asks whether the recovery time for a heart's beating rate is faster for people who get regular exercise versus those that do not.
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Science Buddies

Science Buddies: Breath of Life: Does Exercise Increase Vital Capacity?

For Students 9th - 10th
When you take a deep breath, the amount of air you are capable of holding within your lungs, is known as your lung capacity. It is not the same for everyone. This lab asks you to find out if it is possible to increase your lung capacity...
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Science Buddies

Science Buddies: The Nose Knows Smell but How About Taste?

For Students 3rd - 8th
As if sniffles and clogged sinuses are bad enough, everything seems to taste bland and flavorless when we are sick. Gather up a few volunteers, hit the kitchen, and try this experiment to find out if there is really truth to the idea...
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Science Buddies

Science Buddies: Measuring Your Threshold of Hearing

For Students 9th - 10th
How your ears and your brain turn the sound waves out there in the world into the experience of music in your head, remains a mystery to many, but yet we all experience and even enjoy sounds and music. If you're interested in doing a...
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Science Buddies

Science Buddies: Measuring Your Taste Threshold

For Students 9th - 10th
Some people are more susceptible to flavors than others. This experiment asks you to test your threshold for the three types of taste our tongues are capable of experiencing: salty, sweet, and sour.