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This activity is on page 3 (continued on page 2) of the pdf, part of the Simple Machines Discovery Box. In this fun activity, learners "create" a complex machine by simulating the parts in action.

This is an activity about waves. Using marbles, paper clips and rubber bands, learners explore how waves behave.

This activity investigates how bark beetles can threaten forests by having learners estimate the number of infected trees from a photo.

In this activity about the solar system, learners use various light sources to examine ice with different components to understand how NASA studies planets and moons from space.

In this activity, learners are invited to imagine the park of their dreams!

In this activity, learners model the flow of energy from the sun as it enters a photovoltaic cell, moves along a wire and powers a load.

In this activity, learners use sieves with different-sized holes to sort balls by size.

In this experiment, learners design and build a model room in a shoebox and furnish it with tiny furniture.