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Listening to Electric Fish

Listening to Electric Fish

An Electric Fish emits pulses of electricity into the water, with which it locates food, other fish, and potential mates. It is easy to listen in on these electrical signals with simple inexpensive equipment, such as a piezoelectric earphone, or a small amplifier.

http://sci-toys.com/scitoys/scitoys/biology/electric_fish/electric_fish.html

Every Breath I Take

Every Breath I Take

Students will use a CO2 Gas Sensor to measure the amount of CO2 in their breath as they exhale, both before and after exercise.

http://www.pasco.com/experiments/biology/december_2002/home.html

How Dense Is the Incredible Edible Egg?

How Dense Is the Incredible Edible Egg?

When an egg is boiled, some of the air in its air pockets escapes and is replaced by water. Measure the difference in density of an egg before and after boiling it.

http://www.sciencebuddies.com/mentoring/project_ideas/Chem_p007.shtml

Skin Temp Response Time

Skin Temp Response Time

Students will use a Skin/Surface Temperature Probe to measure the change in skin temperature before and after applying both a cold pack and heat pack to a student's arm.

http://www.pasco.com/experiments/biology/february_2003/home.html

Where Do Butterflies Come From?

Where Do Butterflies Come From?

Butterflies don't look like caterpillars. What's the connection?

http://www.hhmi.org/coolscience/butterfly/index.html

Animal Attraction

Animal Attraction

Investigate a flower’s power of marketing by making an imitation flower that successfully signals a bee (or other pollinator of your choice) to visit.

http://www.tryscience.org/experiments/experiments_botany_athome.html

Shark Sense of Smell

Shark Sense of Smell

Discover how sensitive a shark's sense of smell is

http://www.tryscience.org/experiments/experiments_sharksense_athome.html

Turbidity

Turbidity

Measure turbidity, or the amount of sediment suspended in water, and learn how turbidity affects aquatic life

http://www.tryscience.org/experiments/experiments_turbidity_athome.html

Bird Feeder

Bird Feeder

Winter snacks for our feathered friends and acquaintances.

http://pbskids.org/zoom/activities/sci/birdfeeder.html

Are men or women more affected by another's behaviour?

Are men or women more affected by another's behaviour?

This experiment was performed to determine whether or not one person's suggestion has as effect on another person's subconscious reactions

http://scssi.scetv.org/mims/schools/blhs/science/y98/ellen1.htm


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