How We Perceive Movement, Depth and Illusions

Young scientists learn what it takes for life on Earth to survive with this series of photosynthesis resources. Offering twelve different activities ranging from independent practice worksheets to in depth scientific...

Have the building blocks of the universe at your fingertips! Visually intriguing and animated, this interactive periodic table may also be the most informative chemistry tool available!

Illusions are what your mind makes them. Learners view several optical illusions. After each illusion the resource describes what is seen and the potential connection to evolution of the brain. Illusions include seeing different objects...

If air gets cold, does it turn into ice? Watch Joanne and Steve as they experiment with liquid nitrogen and a balloon full of air. What happens to the air is really quite remarkable! Explain this phenomenon in depth with your class after...

Put a new twist on your collection of optical illusion activities. Affix the linked printable spiral to a drill, record player, or some other rotating tool. Have learners stare at the spinning disk for only 15 seconds and then look away....

If you are setting up a rotation lab where learners are investigating vision at different stations, this activity can be used to explore depth perception. Setting up a giant needle eye, students attempt to pass a pencil through it with...

Not all animals respond to pain the same way. Thanks to the structure of the nervous systems of different living organisms, vertebrates and invertebrates experience nociception—the sensory nervous system's response to pain.  

Breath life into the pages of a text with this instructional video on creating pop-up books. From choosing a topic, through the planning and creation phases, this video examines how to develop engaging visual...

Learn how the eyes play tricks on us when we look at optical illusions. This resource explains many of the techniques used to challenge our visual perception.