"People use careful evidence and creative problem-solving to improve life—by protecting the environment, investigating space clues, and designing smarter materials and tools."
Ask the class before watching:
"When you see a clue in nature (like a muddy footprint, a waterline, or a worn path), how could you use it to figure out what happened before?"
Grassroots means regular people in a community working together to make change happen.
Our school started a grassroots recycling team where students, families, and neighbors worked together to reduce trash.
Minerals are special ingredients in rocks that help scientists learn how the rock was formed.
Scientists look for minerals on Mars to figure out if water once soaked into the ground long ago.
Microscopic means so tiny you can’t see it without a microscope.
A pond can look empty, but microscopic living things may be swimming all around in the water.
A prototype is an early test version of an invention used to see how it works.
At a design festival, a prototype chair might be tried out and improved before anyone sells it in stores.
Have students answer these questions after watching the episode.