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Robot Camouflage: This Robot Can Change Its Color

By on October 17, 2012 in Physical Science

Camouflage is well known in the natural world. Now it is possible in the world of robotics also! Researchers at Harvard have developed a special robot with a “skin” which can change colors to blend in with its surroundings.

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Cup and spoon

Science Experiment: Spoon as a Heat Sink

By on October 16, 2012 in Everyday Science, Physical Science

Have you ever had a cup of hot cocoa which was too hot to drink? Maybe somebody said “Put a metal spoon in it. It will cool faster.” In this experiment we test this theory.

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Puffed Wheat Cereal in a Red Bowl

Science Fair Projects – Jumping Cereal

By on August 22, 2012 in Demonstration, Physical Science

Science fair projects should be interesting and engaging as well as educational. A jumping cereal demonstration is a fun science fair project idea or just a good activity for a science class. It is a visible demonstration of the effects of static electricity.

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Leaves Floating on Water

Buoyancy Song (Science Songs)

By on June 22, 2012 in Physical Science

This buoyancy song will help reinforce the concepts of positive buoyancy and negative buoyancy, helping students understand the difference.

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A printable puzzle to help reinforce the concepts of density and buoyancy.

Density and Buoyancy Vocabulary Scramble (Science Printables)

By on June 21, 2012 in Chemistry, Physical Science

Science printables help reinforce vocabulary and concepts. This printable word scramble puzzle features 18 density and buoyancy vocabulary words.

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Bill Nye the Science Guy on Buoyancy

By on June 20, 2012 in Physical Science

Since we’ve talked a little about bouyancy, I thought I’d share a video on buoyancy by one of my favorite science educators – Bill Nye the Science Guy.

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Ball and Stick Model of a Molecule

Density – A Simple Explanation

By on June 18, 2012 in Physical Science

Density is a measurement of how solid something is. Specifically it is the mass per unit volume of a substance. If you have two objects of the exact same size (volume), the more dense object will weigh less than the less dense object.

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Water Bottle

Air Pressure Demonstration – A Science Investigation

By on June 13, 2012 in Physical Science

Air pressure is the force exerted by the weight of tiny particles of air. You can see the effects of air pressure with this simple demonstration.

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Paper Boats

Make a Paper Boat

By on May 25, 2012 in Geometry, Physical Science

Have some fun on a summer day and study bouancy at the same time. Make a paper boat! If you use newspaper, you can also talk about conservation (reuse). Work some mathematics into this activity by talking about the different shapes formed by the folding. How many triangles can you see?

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Space Shuttle

Escape Velocity – Science Fair Project Ideas

By on May 23, 2012 in Demonstration, Earth Science, Model, Physical Science

We’ve been investigating escape velocity in the past couple of articles. Today, I’ll suggest some science fair project ideas for this escape velocity model.

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