"Paleontology Models"

Allow students to investigate the advantage behind different gear ratios.

With the Atomic Structure Apparatus, a large manipulative helps students visualize atomic structure.

This Pendulum kit is an excellent model for investigating energy.

Students learn to recognize the difference between work and energy with this apparatus.

Every classroom that wants to investigate spectroscopy needs a good-quality spectrum tube and power supply.

Determine the internal resistance of a battery, and find an unknown resistor in a complex circuit.

Determine the speed of a toy dart by analyzing the results of different inelastic collisions.

Determine the factors that affect the period and energy changes of a pendulum, then calculate g.

Observe how charges affect one another and propose an explanation in terms of charge distribution.

Explore resistance in series and parallel circuits.

Draw connections between the displacement method for determining density and the bouyant force.

Explore the factors that create an EMF in the interaction of a magnetic field and coil of wire.

Optimize the distribution of weights on a wheel, then determine g using a rotational apparatus.

Determine the time constant of an RC circuit, and calculate the resistance of an unknown resistor.

Determine the force on a current carrying wire in a magnetic field.

Explore the diffraction patterns from different gratings, then determine the width of a single hair.