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In this activity, early learners create paintings by making music and rhythm. Learners place paper in cans, add paint-soaked beans (or pebbles) and put the tops on.

This is an activity in which learners explore the effects of gravity, motion and momentum while creating art.

In this engineering activity, learners explore simple machines and then build cardboard automata using cams.

In this activity, learners construct drawing machines using a cup, some markers, and a battery pack. The markers act as "legs" for the machine, making a drawing that records as it moves.

In this activity, learners make mobiles to explore the concepts of balance, counterbalance, weight, and counterweight.

Cardboard Automata are a playful way to explore simple machine elements while creating a mechanical sculpture.

In this activity, learners build their own sound machines and explore the interplay of motion and sound.

In this activity, learners explore electronics and motion by making a Scribbling Machine, a motorized contraption that moves in unusual ways and leaves a mark to trace its path.

In this activity, learners explore the concept of rotational equilibrium. Learners work in teams to estimate and determine the force within a mobile design.

In this activity, learners will dip different items in paint and then roll those items down a ramp. Learners will use science process skills such as observations and experimenting.

In this activity, learners construct bug models that "jitter" all over the table with just a battery, motor, and counterweight.

In this activity, learners design and build their own parachute using household materials with the goal of landing their passenger safely on a target.

In this design challenge, learners will create wind-powered contraptions to transport a load, such as a cupcake or another small object, and test to see if they work.

In this activity, learners build a carousel toy that spins when pushed down.

In this activity, learners create a cool floating animal using the science of magnetism. Learners discover what happens when a piece of magnetic metal enters a magnet's field.

In this activity, learners build mini-basketball courts using cardboard and measuring spoons. Use this activity to introduce learners to catapults, forces, and levers.

In this activity, learners build a mini dancing robot. This engineering activity introduces learners to electricity, circuits, switches, conductivity, and motors.

In this physics activity, learners build a toy with a figure that spins around like a gymnast on the high bar.

In this activity, learners build a bird that flies in place with help from a motor, wire, and some straws.

In this activity (pages 13-14), learners investigate the properties of smart materials, which are materials that respond to things that happen around them.