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In this activity (on pages 16-21), learners get a sense of geological time by understanding how big a million is.

Build time sense into the schedule by asking learners to predict what can happen in a certain amount of time: We have 20 minutes before outdoor time. What can you get done?

This is an activity in which learners will find that they can detect differences in concentration better with their nose (smelling) than with their eyes (seeing).

In this family or group inquiry activity, learners use their senses to explore a local forest or woodland.

This is an activity (located on page 4 of the PDF under What's Nano? Activity) about size and scale.

In this activity, learners explore sensors and focus specifically on how to measure humidity using a sensor.

In this activity, learners will conduct an open-ended survey, and then organize and analyze results. What languages does everyone speak? What’s the most common? the least common?

In this math lesson, learners compare products to determine the best product.

In this activity (on page 5 of PDF), learners use dry ice and household materials to make scientifically accurate models of comets.

In this activity, learners investigate visual perception as well as plan and conduct their own experiments.

In this activity, learners investigate color vision as well as plan and conduct their own experiments.

In this four-part activity, learners explore how the body works and the chemistry that happens inside living things.

In this activity (on page 14 of PDF), learners use a pan full of flour and some rocks to create a moonscape.