The Solar System
What is the closest planet to the Sun?
Mercury
Who was the first person to walk on the Moon?
Neil Armstrong
Who was the first Canadian astronaut to walk in space?
Chris Hadfield
If you weigh 100 lbs on Earth, would you weigh more or less on the Moon?
Less—gravity is weaker on the Moon
What is the name of the star at the center of our solar system?
The Sun
What is the largest planet in the Solar System?
Jupiter
What was the name of the first artificial satellite launched into space?
Sputnik 1
What do astronauts use to exercise in space?
Treadmill, exercise bike, resistance bands
What is the difference between mass and weight?
Mass is the amount of matter in an object; weight is how gravity affects that mass
What is a meteoroid called when it enters Earth’s atmosphere?
A meteor
Name the four terrestrial planets.
Mercury, Venus, Earth, Mars
What is the name of the place where astronauts live and work?
International Space Station ISS
Why do astronauts need to exercise in space?
To prevent muscle and bone loss due to low gravity
What happens to an astronaut’s weight when they go to Jupiter?
Increases because Jupiter’s gravity is stronger than Earth’s
What causes the different phases of the Moon?
The Moon's position relative to the Earth and Sun
What are the two main types of planets?
Terrestrial and Gas Giants
What is one major benefit of space exploration?
Technology advancements, satellites, climate monitoring, scientific discoveries, etc.
What is one challenge astronauts face when living in space?
No gravity, hygiene, food preparation, physical weakness, etc.
If a person weighs 100 lbs on Earth, how much would they weigh on Mars (where gravity is about 40% of Earth’s)?
40 lbs
What is a comet made of?
Ice, dust, and gas
What force keeps planets in orbit around the Sun?
Gravity
In what year did the first human go to space?
1961
What is the name of the first Canadian woman in space?
Roberta Bondar
What is the formula for weight in space?
W = m × g
What is the name of the giant storm on Jupiter?
The Great Red Spot