Search Results

How do scientists measure how clear or murky water in a lake is? How does water clarity (clearness) affect what lives in the lake?

In this activity (on page 14 of PDF), learners use a pan full of flour and some rocks to create a moonscape.

In this math activity, learners observe and sketch cracking patterns in pavement.

In this activity, learners model a population of deer and see how the number of deer changes over time.

In this activity, learners use a simple 3D model to discover why the Moon has phases.

In this activity, learners make their own pinhole viewer in order to measure the size of the sun.

In this international citizen science activity, learners measure their night sky brightness and submit their observations into an online database.

In this activity, learners will measure the length of a shadow and use the distance from the equator to calculate the circumference of the earth.

In this math activity related to light, learners assemble a photometer and use it to estimate the power output of the Sun.