Rotation vs Revolution
How long is 1 rotation of Earth?
24 hours (1 day)
What is gravity?
Gravity is a force that pulls things down towards Earth.
No, different planets have different amounts of gravity.
Name one way the biosphere interacts with the atmosphere.
Living things need air to breathe.
Name the 4 stages in the water cycle.
Evaporation, condensation, precipitation, and collection (accumulation)
What does rotation cause?
Day and night
Is Earth's axis a real line or imaginary?
Imaginary.
Why does the Sun look so big to us?
The Sun looks so big because it is the closest star to us.
When a plant decomposes into soil, what two spheres are interacting?
What two spheres are part of the water cycle?
Hydrosphere and atmosphere
365 days (1 year)
What does the moon revolve around?
The Earth
What time of day are your shadows the longest?
Early morning and evening/afternoon
Name all 4 of Earth's spheres.
Geosphere, hydrosphere, atmosphere, biosphere
What powers the water cycle?
The Sun.
What is another word for revolution?
Orbit
What does the Earth revolve around?
What would change for people on Earth, if the Earth wasn't tilted on its axis?
We wouldn't have any seasons, the weather would stay the same all year round.
If water is evaporating, what sphere does it start as and what sphere does it move into?
Is there more saltwater or freshwater on Earth?
What 2 things cause seasons?
The revolution of the Earth around the Sun and the tilt of the Earth on it's axis.
What 2 motions is the Earth doing constantly?
Rotating and Revolving (orbiting)
Why is the amount of sunlight we get longer in the summer and shorter in the winter?
In the summer we get direct sunlight, we're tilted towards the Sun. In the winter we get indirect sunlight because we are tilted away from the Sun.
What is in each of Earth's spheres?
Geo-all of the land, rocks, soil; Bio-all living things; Hydro-all water, frozen, saltwater, freshwater; Atmo-air/gasses
What two spheres are interacting when water is eroding the side of a mountain?
Hydrosphere and geosphere.