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Science Buddies

Science Buddies: Levitating Magnets: Floating Isn't Just for Magicians

For Students 3rd - 5th
If you ever seen a magician float an object in the air, you might think that levitation is just a magic trick, but the truth is you can use an invisible physical force to levitate a magnet. Try this simple, week-long science project to...
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Science Buddies

Science Buddies: Slime Chemistry

For Students 3rd - 5th
Have you ever wondered how fun toys like Silly Putty, Gak, and Slime are made? These products are so much fun because of the properties of polymers, which make them delightfully bouncy, stretchy, sticky, moldable, breakable, hard, soft,...
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Science Buddies

Science Buddies: Back and Forth to Go Forward: A Snake on Wheels?

For Students 9th - 10th
Have you ever ridden on a Roller Racer or Plasma Car? These are ride-on toys that you move ahead by moving the steering mechanism back and forth. You've probably seen skateboarders "slaloming" on level ground to keep rolling, it's...
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Science Buddies

Science Buddies: Does Crossed Hand/eye Dominance Affect Basketball Shooting %?

For Students 9th - 10th
Everyone's used to the idea that people are either right-handed or left-handed for particular tasks. That is, one hand is preferred (or dominant) over the other for a particular task. Did you know that people also have a dominant eye?...
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Science Buddies

Science Buddies: How Does the Intensity of Light Change With Distance?

For Students 9th - 10th
How far would you have to travel so that the light of the full sun would provide "daylight" no brighter than twilight on Earth? This project describes a method to verify the inverse square law: how light, sound, electrical signals, and...
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Science Buddies

Science Buddies: How Do Baseball Stadium Dimensions Affect Batting Statistics?

For Students 9th - 10th
Here's a fun project that combines baseball and math. Major League baseball is played in ballparks that have their own individual quirks when it comes to the exact layout of the field. Fenway Park in Boston has the famous "Green Monster"...
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Science Buddies

Science Buddies: The Physics of Cheating in Baseball

For Students 9th - 10th
This week-long project asks you to examine the density of certain materials, such as "corked" baseball bats and regular baseball bats, and whether they can cause a ball to travel different distances.
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Science Buddies

Science Buddies: Frequency of Outcomes in a Small Number of Trials

For Students 3rd - 8th
People often draw conclusions from a small number of observations, but how easy is it to draw the wrong conclusion? Here is a simple project that shows the importance of making enough observations before making a prediction.
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Science Buddies

Science Buddies: Extracting Onion Dna

For Students 6th - 8th
In this project, you'll learn how to isolate DNA from onion cells, separating it from other cellular components in a manner that still preserves its structure and sequence. In the end, you'll have enough DNA to see with the unaided eye,...
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Science Buddies

Science Buddies: Yeast Reproduction in Sugar Substitutes

For Students 9th - 10th
There's nothing quite like the smell of fresh-baked bread to make your mouth water. As any baker can tell you, you can't bake bread without yeast. This project makes clever use of bread dough to measure yeast reproduction three different...
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Science Buddies

Science Buddies: Earthworm Castings: Soil for Young Garden Plants

For Students 9th - 10th
Everybody knows that worms are good for the soil, but not everybody knows why. Here's a project that investigates just one of the ways earthworms improve the earth.
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Science Buddies

Science Buddies: Cryopreservation: Freezing Plant Tissues

For Students 6th - 8th
Cryopreservation-storing seeds in ultra-cold liquid nitrogen-is one method for maintaining plant genetic stocks in seed banks. The purpose of this project is to observe the characteristics and outcomes of cryogenically frozen seedlings...
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Science Buddies

Science Buddies: Planting Size vs. Depth

For Students 6th - 8th
Plants have evolved many clever mechanisms to ensure that their seeds will wait for appropriate conditions before sprouting. Some may only germinate after a fire, others only after going through a cold spell. This project explores one...
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Science Buddies

Science Buddies: Testing How Fashion Impacts the Behavior of Others Around Us

For Students 9th - 10th
There's an old saying that "the clothes make the man" (or woman, we're quick to add nowadays). How true do you think this is? Here's a project with one approach for finding out.
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Lesson Plan
Science Buddies

Science Buddies: Liquefaction & Seismic Activity

For Teachers 9th - 10th
Earthquake damage can be intensified in areas that are subject to soil liquefaction. For example, in these areas, soil movement may cause foundations to collapse, while structures in nearby areas built on more stable soil or bedrock may...
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Activity
Science Buddies

Science Buddies: The Tree of Life Ii (Advanced)

For Students 9th - 10th
Imagine that a biologist arrived at your big family reunion and had no idea who were sisters, cousins, aunts, uncles, etc., but tried to sort it out by how all of you look. Just based on how you look, would s/he be able to guess whether...
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Activity
Science Buddies

Science Buddies: Dice Probabilities

For Students 6th - 8th
You're playing Monopoly with a friend, and you've already got Park Place and you really, really want to get Boardwalk. If you're on Pacific Avenue, what are the chances you'll reach your goal? Here's an easy project that will show you...
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Science Buddies

Science Buddies: Using the Soho to Determine the Rotation of the Sun

For Students 9th - 10th
This project shows you how to use images from an orbiting observatory to measure how fast the Sun rotates.
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Science Buddies

Science Buddies: Germ Invasion

For Students 6th - 8th
Microbes are everywhere in our environment, but for the most part they escape our notice. This project shows you how to safely culture and study common bacteria from your everyday surroundings.
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Activity
Science Buddies

Science Buddies: Bacterial Transformation Efficiency

For Students 9th - 10th
Is it possible to take advantage of microorganism's sophisticated makeup, short doubling times and cheap growth media to mass produce medically and commercially useful proteins? This is possible with a few simple genetic manipulations....
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Activity
Science Buddies

Science Buddies: Blas Ting Flu Viruses

For Students 9th - 10th
Remember going to the doctor and getting vaccine shots? It's no fun getting poked with a needle, but fortunately, a vaccine gives you protection against a serious illness for years to come. This project will show you why.
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Activity
Science Buddies

Science Buddies: The Tree of Life I (Basic)

For Students 9th - 10th
Imagine that a biologist arrived at your big family reunion and had no idea who were sisters, cousins, aunts, uncles, etc., but tried to sort it out by how all of you look. Just based on how you look, would s/he be able to guess whether...
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Activity
Science Buddies

Science Buddies: The Design Process: Creating a Stronger Truss

For Students 9th - 10th
This is an interesting project that explores which geometrical shapes make the strongest bridge truss structures. It is a good introduction to the engineering design process. You'll design three different trusses, and use online...
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Activity
Science Buddies

Science Buddies: Rise to the Occasion: Investigating Yeast Fermentation

For Students 3rd - 8th
Did you ever wonder how yeast makes bread dough rise? This project will show you what yeast does to make this happen. You'll also investigate the conditions yeast needs to grow.

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