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In this activity (on pages 36-39), learners make a model of a watershed out of paper, then run water down the mountain to simulate how rainfall and pollution affect watersheds.

In this online activity, learners adjust mountain snowfall and temperature to see how glaciers grow and shrink. They will use scientific tools to measure thickness, velocity and glacial budget.

In this water activity, learners discover ways to move water across the water table.

Exponga estos pósteres en el salón o déjelos donde los chicos los puedan explorar. Los chicos buscan las respuestas en línea, en libros de consulta, y en calendarios y almanaques.

In this online activity, learners build their own system of heavenly bodies and watch the gravitational ballet.

In this activity, learners will imagine the challenges and opportunities of asteroid mining.

In this activity (on page 8), learners model how marble statues and buildings are affected by acid rain.

In this activity on page 4 of the PDF (Water in Our World), learners conduct some quick and easy tests to determine the differences between water and other liquids that look very similar to water.

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

¡En esta tira cómica, Mateo y Cientina son detectives! Ellos usan sus destrezas investigativas para identificar de dónde provinieron algunas muestras de arena.

In this collaborative storytelling activity, learners and caregivers develop a strong story about science and exploration.

En esta actividad, los aprendices harán un terrario usando materiales simples.

In this activity, learners will create a magnifying glass called a waterscope, using water and household items, to examine various objects.

In this water activity, learners explore how water drops behave on different surfaces.

This activity gives caregivers and their children an opportunity to practice scientific ways of thinking that are developmentally appropriate for early learners.