Snacks tagged with "sun"

Why the world gets dark so fast outside the circle of the campfire.

Compare the brightness of two light sources with an oil spot on a white card.

Trace your shadow, then make it change.

Measure the efficiency of solar cells.

Model the patterns of sunlight and shadow on Earth.

Investigate how to change a shadow’s size, shape, and position.

Explore the influence of the Sun and Moon on our tides.