Earth's Spheres (Air, Water, Land)
Which "sphere" of Earth includes all the air that surrounds our planet—the Atmosphere or the Geosphere?
Atmosphere
Name the force that holds us on the ground and pulls planets toward the Sun.
Gravity
What science word means water falling from clouds, like rain, snow, or sleet?
Precipitation
What type of melted, red-hot rock comes out of a volcano during an eruption?
Lava / Magma
An educated guess or prediction in science is called a... Hypothesis or a Conclusion?
Hypothesis
Rivers, oceans, rain, and glaciers belong to which Earth system—Hydro (water) or Geo (land)?
Hydrosphere / Hydro
Is our Sun considered a planet, a star, or a moon?
A star
What instrument do meteorologists use to measure air temperature?
thermometer
What do we call the slow breaking down of rocks by wind, rain, and ice over time?
Erosion / Weathering
What step do you take when you look closely at something using your 5 senses during a lab?
Observation / Observing
True or False: Earth's atmosphere protects us from the Sun's harmful radiation and keeps us warm.
True
What is the name of our galaxy—the Andromeda Galaxy or the Milky Way?
The Milky Way
When liquid water heats up and turns into gas floating into the sky, what is that process called?
Evaporation
What are fossils—ancient remains of plants/animals trapped in rock, or just cool-looking stones?
Ancient remains of plants/animals
Which tool would you use to measure the exact mass or weight of a rock?
A scale or balance
What do we call the solid outer layer of Earth made of rock and soil?
Geosphere / Earth's crust
How long does it take Earth to make one full orbit around the Sun—1 day or 1 year?
1 year / 365 days
Which severe weather event is a violently rotating column of air touching the ground—a hurricane or a tornado?
tornado
Which layer of Earth is at the very center—the Crust or the Core?
The Core
True or False: Scientists only perform experiments once and never repeat them.
False
Which Earth sphere includes all living things, like trees, animals, and humans?
Biosphere
Which planet is closer to the Sun: Mercury or Earth?
Mercury
What causes daytime and nighttime on Earth—Earth spinning on its axis or the Moon moving?
Earth spinning / rotating on its axis
What causes earthquakes—plates sliding past each other underground or strong winds?
Tectonic plates sliding/moving underground
What do we call the data or information collected during an experiment to prove an answer?
Evidence