The Sun
What is the main source of light and heat for the solar system?
The Sun
Name the fourth planet from the Sun.
Mars
What are small rocky bodies that orbit the Sun, primarily found between Mars and Jupiter?
Asteroids
What force keeps planets in orbit around the Sun?
Gravity
Where is Earth located?
Third planet from the Sun, habitable zone
What elements does the Sun use to produce light?
Helium (He) and Hydrogen (H)
How many moons does Earth have?
One
Describe what a comet is made of.
Ice, dust, and rocky material
Describe how gravity affects the movement of moons around their planets.
Gravity from planets pull the moon(s) into orbit
Name one reason why the presence of water is essential for life on Earth.
Water is necessary for all known forms of life
What is the location of the Sun in our solar system?
The center of the Solar System.
What is the largest planet in our solar system?
Jupiter
Name the region of space beyond Neptune that contains many icy bodies.
Kuiper Belt
How does the distance from the Sun affect gravitational pull?
Gravitational pull decreases as distance increases
Describe the composition of Earth's atmosphere.
It is made up of nitrogen, oxygen, and trace gases
Why does the Sun have a stronger gravitational pull than the Earth?
Because it is much larger and has more mass
Which planet is known for its rings?
Saturn
What is the Oort Cloud?
Spherical shell of icy objects, located at the edge of the Solar System
What happens to gravity as you move further from a planet?
Gravity decreases
How does being in the "habitable zone" of the Sun benefit Earth?
It allows for life to exist on Earth
Explain how the Sun's gravitational influence affects the motion of planets.
The Sun has the most gravitational pull and keeps planets in orbit.
What is the difference between an asteroid and a meteor?
An asteroid is larger and orbits the Sun, while a meteor is smaller and may enter Earth's atmosphere
What are the small icy bodies found in the Oort Cloud called?
Comets
How does gravity relate to the concept of weight in space?
weight is the force of gravity acting on an object, weight can change on different planets
What percentage of Earth's surface is covered by water?
Approximately 70%