water cycle
What process changes water from a liquid to a gas
evaporation
What is the movement of ocean water in a regular pattern called?
ocean currents
What is the largest planet in the solar system?
Jupiter
What is Earth's rotation responsible for?
Day and night
What was the first human-made satellite launched into space
Sputnik 1
What forms when water vapor cools and turns into liquid droplets?
condensation
What force primarily causes tides?
The gravitational pull of the moon
What is the main difference between a planet and a comet?
Planets orbit the Sun in a stable path; comets are small icy bodies with tails
What causes the different seasons on Earth?
The tilt of Earth's axis
Who was the first person to walk on the Moon?
Neil Armstrong
What is precipitation, and name two forms of it?
Water falling to Earth; rain and snow
How do cold and warm water currents move differently?
Cold water sinks; warm water rises
How long does it take for the Moon to complete one full cycle of phases?
29.5 days
How does Earth's revolution around the Sun affect the length of a year?
One full revolution takes 365 days
What is the name of the Mars rover that landed in 2021?
Perseverance
What is the sequence of events in the water cycle?
Evaporation, condensation, precipitation
What happens to tides if the moon's gravitational force increases?
Tides become much higher and low tides become deeper
Why doesn't Jupiter have a solid surface?
It is a gas giant
What is a meteorite?
A meteor that reaches Earth's surface
What is the purpose of the International Space Station (ISS)?
cientific research and working together in space
How does increased evaporation affect ocean salinity?
It increases salinity by removing freshwater
What is a storm surge, and what causes it?
A rise in sea level due to strong winds from a storm
What would happen if the Sun suddenly disappeared?
No light, no heat, and planets would freeze
What is the difference between rotation and revolution?
Rotation is Earth spinning on its axis; revolution is Earth orbiting the Sun
What is a black hole?
A place in space where gravity is so strong that nothing can escape