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In this demonstration, learners compare the relative sizes and masses of scale models of the planets as represented by fruits and other foods.

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 experiment, learners will conduct chemical and physical tests to identify mystery substances.

This lesson focuses on how nanotechnology has impacted our society and how engineers have learned to explore the world at the nanoscale.

In this activity about the relationship between food and energy (page 1 of PDF), learners observe and quantify the growth of yeast when it is given table sugar as a food source.

In this activity, learners observe how salinity affects the freezing point of water by making and enjoying ice cream.

This activity (page 2 of the PDF under SciGirls Activity: Bogs) is a full inquiry investigation into decomposition.

In this activity, learners follow clues to find five puzzle pieces, then assemble them. This activity works well with a whole group, individuals, or families.

In this activity, learners work in groups to design a parachute out of household items that keeps an egg secure when dropped from a certain height.