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Pour Some: Measure Serving Size
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Make snack time into measuring time and learn to read Nutrition Facts labels. Try this when you’re using “pourable” foods, such as cereal, yoghurt, or juice.

Size Wheel
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In this fun sticker activity, learners will create a size wheel with images of objects of different size, from macroscopic scale (like an ant) to nanoscale (like DNA).

Coffee to Carbon
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In this activity, learners place cards featuring biological structures in order by their relative size from largest to smallest.

Pea Brain!: Explorations in Estimation
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In this activity, learners use two different techniques to estimate how many little things fit into one bigger thing.

Invisible Sunblock
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In this activity, learners find out why some mineral sunblock rubs in clear. Learners compare nano and non-nano sunblocks and discover how particle size affects visibility.

Smelly Balloons
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In this activity, learners sniff out scents hidden in balloons! After investigating, learners discover we sometimes can use another sense (smell) to detect things too small to see.

Pupil
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In this activity, learners explore their eye pupils and how they change.

Size, Scale and Models
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In this activity, learners take measurements and create charts to learn about the size of dinosaurs and their relative scale to humans.

Blind Spot
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In this activity, learners conduct a simple test to find their blind spot.

The Pressure's On
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In this chemistry activity, learners explore chemical reactions and their effects, including the kind of reaction in the human body that makes people burp!

Pinhole Magnifier
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In this activity related to light and perception, learners use a pinhole in an index card as a magnifying glass to help their eye focus on a nearby object.

Servings and Choices
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In this nutrition activity (page 16 of PDF), learners document their individual eating habits and learn whether their eating patterns meet their needs.

Our Sense of Sight: How We Perceive Movement, Depth and Illusions
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In this activity, learners investigate visual perception as well as plan and conduct their own experiments.

Our Sense of Hearing
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In this activity, learners investigate the sense of hearing and plan and conduct their own experiments.

Energy Sources
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In this activity about the relationship between food and energy (page 5 of PDF), learners conduct an experiment to compare how much energy is released as heat from two different foods.