"Scientists and farmers use tools like balloons, spacecraft, cameras, and drones to observe places and details that are hard to study up close."
Ask the class before watching:
"What tool have you used that helped you see or learn something you could not notice with just your eyes?"
A very high part of Earth’s atmosphere above where most airplanes fly, but not the same as being in orbit.
The NASA balloon rose into near space to test student-built experiments.
A spray or stream of material that shoots out from a surface.
Enceladus has icy plumes that may come from a hidden ocean.
A nutrient that plants need to grow and stay healthy.
Farmers can use drone maps to learn about nitrogen levels in apple trees.
A small flying machine that can be controlled remotely or fly with programmed instructions.
A drone can gather information while flying above an orchard.
Have students answer these questions after watching the episode.