Published in Science at Home and Lesson Plans.
Tags: amplitude, blue shift, brightness, Doppler effect, frequency, intensity, period, physics, pitch, red shift, wavelength, waves, waves and optics.
Materials
- Frisbee
- Duct Tape
- Buzzer
- 9 volt battery
Continue reading ‘Doppler Frisbee’
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Materials
Per student:
- Gallon Size Freezer Bag
- Quart Size Freezer Bag
- ½ Cup of Rock Salt
- ½ Cup of Whole Milk
- 1 Tablespoon of Sugar
- 4 Cups of Ice
- 1 Teaspoon of Vanilla
- Spoon
- Cup or Bowl
- Thermometer
- Optional: Rainbow Sprinkles, Chocolate Syrup, Crushed Cookies
Continue reading ‘Endothermic Ice Cream’
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Materials
- Hollow Solenoid
- Strong Bar Magnet
- Flash Bulb(s) from a Camera
- 2 Alligator Clip Wires
Continue reading ‘Blinded by the Light’
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Materials
- Battery (D or C cell)
- Insulated wire, about 18-24 gauge
- Small Magnet
- 2 Large Uncoated Paper Clips
- Masking tape
- Wire Cutters
- Sand paper
Continue reading ‘Johnson Motor’
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Materials
- A ramp about one meter long
- A can of cream of broccoli soup (98% fat free if able)
- A can of beef broth
- Stopwatch
- Meter Stick
Continue reading ‘The Great Soup Can Race’
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Published in Science at Home and Lesson Plans.
Tags: centripetal acceleration, centripetal force, circular motion, dynamics, force, inertia, kinematics, mechanics, normal force, physics, rotational motion.
Materials
- 24 inches of string per student
- plastic cup, one per student
- hand held one hole punch
- water
Continue reading ‘Defining Gravity with a Bucket of Water’
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Published in Science at Home and Lesson Plans.
Tags: dynamics, free body diagrams, friction, frictional force, gravitational force, kinematics, kinetic friction, mechanics, mu, Newton, Newtons laws, normal force, physics, static, static friction.
Materials
- Binders, cardboard, sheet metal, plastic, cardboard, sandpaper, glass etc. Any book sized flat surface for students to investigate the co-efficient of friction of
- Protractors, one per group
- Objects to place on the books (like their sneakers) pens, pencils, erasers, rulers, ice cubes etc.
Continue reading ‘μ (mu) of your Shoe’
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Published in Science at Home and Lesson Plans.
Tags: cross sectional area, current, current electricity, electricity, electricity and magnetism, experiment, lab, length, physics, play doh, play dough, resistance, resistivity, resistor, rheostat, voltage.
Materials
Needed per group:
- ½ can of play dough
- Knife switch
- 4 alligator clip wires
- Voltmeter
- Ammeter
- 2 large paper clips, or long metal pins
- Ruler
- Power supply, voltage does not need to be variable
Continue reading ‘Play Dough Resistor’
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