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In this activity (last activity on the page), learners make a model of the eardrum (also called the "tympanic membrane") and see how sound travels through the air.

In this weather activity (page 4 of the PDF), learners will explore the water cycle through an interactive game.

In this activity, learners practice matching and subitizing as they create the longest domino train possible.

In this matching activity (3rd activity on the page), learners use their sense of smell to match pairs of opaque containers filled with various smelly items like orange peel, roses, or moth balls.

In this chemistry activity (page 1 of the PDF), learners will observe a physical change.

In this activity, learners "go fishing," then practice ruler use and size/pattern comparison with the animals they catch.

In this activity, learners make an optical illusion toy from the 1800s to explore persistence of vision.

In this activity, learners use various dress-up or costume pieces to play a game of change.

In this math activity, learners use problem solving skills to find a middle seat for Mary at the movies. Learners practice dividing numbers and identifying the middle of a quantity.

In this outdoor simulation game, learners search for pretend animals called "sticklers" to determine and map where they live (habitat) and how spread out they are in that area (distribution).

In this activity, learners investigate static electricity using everyday objects at four different stations.

Capture soap bubble patterns on paper! In this activity, learners can create beautiful pictures from popping soap bubbles.

In this activity, learners use chocolate to explore how the Sun transfers heat to the Earth through radiation.

This hands-on activity demonstrates how a material can act differently when it's nanometer-sized.

Build a fruit fly trap out of a 2-liter plastic bottle and some rotten fruit! Fruit flies are easy to catch in warm weather. Once you catch some, you will be able to see their life cycle up-close.

In this online activity, learners experience the thrill of pickle making, and explore how a cucumber becomes a pickle.

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?

This Exploratorium activity explores size and scale. Through four levels of screen sizes, learners can sort out objects of different sizes.

In this creative outdoor activity, learners invent populations of make-believe organisms and then investigate real populations living in the activity site.

In this activity, learners will explore saturated solutions and discover how crystals form.