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Extract your DNA from your very own cells! First, learners swish salt water in their mouth to collect cheek cells and spit the water into a glass.

Learners work in teams to investigate how scientists use physical characteristics to classify living things.

In this activity, learners investigate the reflective properties of light and mirrors as they make a kaleidoscope.

Design and create an optical illusion toy that makes two pictures appear to become one. This is called a thaumatrope and will allow the learner to investigate the phenomenon of persistence of vision.

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

In this activity (Page 25 of PDF), learners investigate the evolution of wheat by creating dough from different flours, observing the samples of dough as they rise, and then baking the dough.

This is an activity (located on page 3 of the PDF) about the mixture of materials in bone and how they affect its strength.

In this environmental science lesson, learners will examine hazardous chemicals and their effects on human health and the environment.

In this activity (pages 26-29 of the PDF), learners investigate how they can develop super memories by using mnemonic devices.

In this activity (1st on the page), learners explore circadian rhythms by keeping track of their body temperature.

Learners work in teams to design and build solar water heating devices that mimic those used in residences to capture energy in the form of solar radiation and convert it to thermal energy.

In this activity, learners compare and contrast different forms of luminescence by observing how chemiluminescence, phosphorescence, and fluorescence produce or emit light.

In this activity, learners calculate the number of milliliters of water a nearby tree transpires per day.

In this optics activity, learners use glass and water to demonstrate total internal reflection (TIR).

In this activity related to climate change and data analysis, learners examine temperature and precipitation data to determine if climate variations are due to El Niño.

This activity generates learner excitement about light through the creation of a room-sized rainbow.

In this activity, learners explore the gait of horses by constructing flipbooks with British photographer Eadweard Muybridge's famous photographs.

In this activity, learners explore and experiment how we can use our bodies everyday to get from one place to another.

How can you make one shade of gray look like two? By putting it against two different color backgrounds! This activity allows learners to perform this sleight of hand very easily.

This activity helps learners understand how the angle of the Sun affects temperatures around the globe.