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

In this activity (on page 2), pairs of learners create an imaginary crime scene. One person leaves the room while the other person moves a few things around.

In this activity, learners observe what happens when they give a light source like a neon glow lamp a "Bronx Cheer." The lights appear to wiggle back and forth and flicker when learners blow air throu

This activity (page 1 of the PDF under SciGirls Activity: Exercise and Memory) is a full inquiry investigation into the effects of exercise on short term memory.

Use this activity (10th on the page) to help learners explore memory and how sometimes your brain makes up its own memories. Learners will read and try to remember the words in list #1.

In this robotics activity, learners find ways to express emotions and feelings using only body movements, not facial expressions.

In this activity (6th on the page), learners investigate how photoreceptors in the eye (rods and cones) "adapt" to low light conditions.

In this activity, learners investigate parallax, a method used to measure distances to stars and planets in the solar system.

In this optics activity, learners conduct an experiment to find out why two eyes are better than one!

In this activity (9th activity on the page), learners work in pairs to see how their perception of touch differs from reality.

In this activity, learners discover a brain process called habituation.

We're told from a young age that we have 5 senses, but we have many more. One of which is our awareness of our own body part's orientation and position.

We listen to stereo music systems, tv's, and radios because it simulates being where the sound originates.

Known as the waterfall effect, this activity demonstrates adaptation in our visual system.

We don't normally view people upside down and so our brains aren't accustomed to it.

In this online activity exploring our perception of "cuteness," learners adjust various factors (like pupil size or length of limbs) on a face, a cat, and a hammer.

This is a virtual representation of a sound mixer containing pre-looped sounds of animal, insect, and environmental noises.

In this activity, learners explore how their depth perception would be affected if they only had one eye. Learners work in pairs and attempt to drop a penny in a cup with one eye covered.

This activity is designed to let learners measure their reaction time or response time to something they see.

This activity is about how you form mental images of your body's position in space, independent of vision. Can you take a sip of water from a cup with your eyes closed?