Planets
The closest planet to the sun
Mercury
What force keeps an object in orbit?
What is gravity?
How long does it take Earth to orbit the sun?
What is one year?
What is the Suns mass (%)
The Sun contains about 99.8% of all the mass in the solar system.
List 2 advantages to space exploration
possible aswers:
Advances in technology (e.g., satellites, GPS, communication). Better understanding of space and Earth.
Scientific discoveries and innovation
What does Saturn have that makes it unique?
rings
What is the main natural satellite of Earth?
What is the moon?
Where is the asteroid belt located?
between Mars and Jupiter
Small planetary bodies that orbit the Sun but do not clear their orbit are called....
dwarf planets
What are 2 disadvantages of space
Possible answers: Very expensive
Risk to astronaut safety
Space debris and environmental concerns
Which inner planet is the largest?
What is Earth?
Which type of artificial satellite is sent on long space journeys and typically does not come back to Earth?
What is a probe?
How long is one rotation of Earth?
What is one day?
Solar, wind, and hydro are all examples of which type of energy?
What is renewable?
Water on Mars is found primarily in the form of....
Ice
Pluto is now known as what type of planet?
What is a dwarf planet?
How many moons does Mars have?
Two
What does ISS stand for?
What is International Space Station?
This was the first Science unit we covered this year?
What is Biodiversity
What year was the first moon landing
1969
Which 4 planets are known as the inner planets?
What are Mercury, Venus, Earth, and Mars?
A massive, super dense object in space that does not allow light to escape from it
What is a black hole?
Why do we have seasons
As Earth orbits the Sun, different parts of Earth receive more direct sunlight at different times.
What is the 8th planet
Neptune
Who was the first man to step on the Moon and who was he with
Neil Armstrong and Buzz Aldrin