Curated OER
No Shadow of Doubt
Fifth graders must use a pencil to draw in the shadows they think will be formed by a house, a greenhouse, and a tree. The sun is behind each of these objects, and an open field is in front of them. That's where pupils draw their...
It's About Time
Color
How can a hand puppet's shadow look like a dog? The lesson explains the science behind shadows, combining paint colors and the colors used in old televisions. Scholars use white, red, blue, and green lights to experiment with colors and...
Curated OER
Lunar Lollipops
Demonstrate the lunar cycle to youngsters using flashlights and lollipops. The procedure is somewhat vague, so it will need to be modeled for them before turning them loose to try it. The questions that follow the activity are not...
Curated OER
The Most Important Equation in Astronomy!
For this astronomy optics worksheet, students calculate the angular resolution and maximum resolution for given telescope specifics. This worksheet has 3 problems to solve.