A scientist who studies the solar system and outer space
Astronomer
The eight large objects that look like giant balls circling around the sun are called
Planets
The center of the solar system and the closest star to Earth.
The Sun
Earth is the ________________ closest planet to the sun.
Third
What is the moon made of?
Rock
A tool that scientist use to study space
Telescope
When a planet completes one orbit around the sun, it is called a
Revolution
How many Earths could fit inside the sun?
1,000,000 (one million)
How long does it take Earth to make one revolution around the sun?
365 days
How many moons could fit inside of Earth?
Four
The scientist from Italy who made a powerful telescope.
Galileo Galilei
What is an orbit?
An orbit is the path that an object takes in space.
What is the source the sun provides for our solar system?
Light and Heat
What is a satellite?
An object that revolves around another object
The times when the look of the moon changes are called
Phases
The scientist who had many ideas about why planets move in our solar system.
Johannes Kepler
Name the eight planets in order
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
What is a star?
A star is a large ball of hot gases that gives off heat and light.
Name two reasons Earth is different from all other planets.
Earth has liquid water. Earth has life on it.
How does the moon provide light?
The sunlight bounces off the rocks on the moon and then shines on Earth
The scientist who named the force gravity.
Isaac Newton
The inner planets are closer to the sun, made of rock, are warmer than the outer planet and they do not have rings. Name the four inner planets
Mercury, Venus, Earth, Mars
How far is the sun from Earth?
The sun is 150 million kilometers from Earth
What are the four main things on Earth that allow life?
Right Temperature, Air, Water, and Land
Name 3 phases of the moon as seen from Earth
First quarter, waxing crescent, new moon, waning crescent, third quarter, waning gibbous, full moon, waxing gibbous