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In this activity (page 2 of PDF under GPS: Cave Swallows Activity), learners will model how caves are formed by placing one piece of chalk in a cup of vinegar and another piece in a cup of water, then

In this engineering activity, young learners investigate multi-level buildings.

Choose a recipe to double (or triple, quadruple, or halve). Show everyone the recipe and engage them in figuring out: How much will we need to increase the recipe to feed everyone?

In this activity (3rd on the page), learners investigate circadian rhythms by examining how well people do with estimating time.

Learners build at least two different spinners (tops) to investigate how mass distribution, size, and shape affect the length of time the spinner spins.

In this activity, learners identify the reproductive parts of plants and the animal (bee) structures involved in pollination.

In this activity, learners follow a recipe to create play dough scented with fruit-flavored drink mix.

Learners conduct four simple experiments to demonstrate the effects of air pressure.

In this activity, learners work together to create a life-sized drawing of the human nervous system.

In this puzzle, learners investigate the decisions involved in linking a network between houses in a muddy city.

In this activity (located on page 4 of PDF), learners gain insight into the actual size of dinosaurs and practice making estimations and measurements.

In this activity, learners explore light and shadows by creating a lantern they can keep on their nightstand.

In this activity, learners take core samples of candy bars with a straw and carefully observe & excavate their sample, modeled after what the NASA Perseverance rover will do on Mars.

In this activity, learners cut out and fold their own collapsible origami starshade, an invention that shields a telescope's camera lens from the light of a distant star so that NASA scientists can ex

In this activity, learners use a pencil, magnets, and mat board to illustrate Newton's Second Law.

In this activity, learners create their own weather forecast map.

In this activity, learners use colored candy to represent subatomic particles and make a model of an atom (Bohr model).

In this activity, learners make their own encrypted code to pass along secret messages using a printable cipher wheel.

In this activity, learners investigate how wolves communicate with each other through different body postures.

In this activity, learners slide shapes to create unusual tiled patterns.