Charles’ Law – Experiment Two

February 8, 2010 Lesson Plans

OBJECT: To study the expansion of gases, to check Charles’ Law and to measure the temperature coefficient of pressure increase of dry air at Constant volume.
METHOD: Charles’ Law for the expansion of gases is studied by the use of a simple form of constant-volume air thermometer. A fixed volume of dry air is subjected to [...]

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Balloon Fuse

February 6, 2010 Lesson Plans

Purpose: Discuss how house fires happen and illustrate a common safety device used to prevent electrical fires — the fuse.
Materials:

6 Volt lantern battery or DC power supply
balloon
tinsel
tape
alligator clip wires (4)
small 6V light bulb
small light bulb holder

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Happy Sad Balls

February 4, 2010 Lesson Plans

Learning standards covered by this activity:
Major Understanding

5.1p The impulse* imparted to an object causes a change in its momentum*.
5.1r Momentum is conserved in a closed system. (Note: Testing will be limited to momentum in one dimension.)

The above learning standards were taken from the Core Curriculum Physical Setting/Physics, The University of the State of New York [...]

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Alka-Seltzer & Balloon Rockets

February 2, 2010 Lesson Plans

Learning standards covered by these activities:
Major Understanding
5.1q According to Newton’s Third Law, forces occur in action/reaction pairs. When one object exerts a force on a second, the second exerts a force on the first that is equal in magnitude and opposite in direction.

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Measuring the Speed of Light with Marshmallows

January 31, 2010 Lesson Plans

Learning standards covered by this activity:
Major Understanding

4.3k All frequencies of electromagnetic radiation travel at the same speed in a vacuum.
4.3m When waves of a similar nature meet, the resulting interference may be explained using the principle of superposition. Standing waves are a special case of interference.

Process Skill

4.3 vi Predict the superposition of two waves interfering [...]

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Pencil Resistor

January 29, 2010 Lesson Plans

Materials

6 Volt lantern battery or DC power supply
alligator clip wires (3)
small 6V light bulb
small light bulb holder
pencil
razor blade

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