Solar System
What is the star at the center of our Solar System?
Sun
Which map shows countries and states?
Political map
What force keeps us on the ground?
Gravity
What is Earth's natural satellite?
The Moon
How many days are there in a leap year?
366
Which planet is called the Red Planet?
Mars
What tool helps us find directions?
Compass
Why don't planets fall into the Sun?
They move in orbit while gravity pulls them.
What is an artificial satellite?
A human-made object that orbits Earth.
What causes day and night?
Earth's rotation.
Name the largest planet in our Solar System.
Jupiter
What are the four main directions?
North, South, East, West
Why are rockets needed to send spacecraft into space?
To overcome Earth's gravity.
Give one use of an artificial satellite.
Communication, weather forecasting, GPS, or scientific research.
How long does Earth take to revolve around the Sun?
365ΒΌ days or 1 year.
What is the path of a planet around the Sun called?
Orbit
Which map shows mountains, rivers, and landforms?
Physical map
What is a satellite?
An object that orbits a planet.
What is the difference between a natural satellite and an artificial satellite?
Natural satellites occur naturally; artificial satellites are made by humans.
What causes seasons on Earth?
Earth's tilted axis as it revolves around the Sun.
Name all four inner planets.
Mercury, Venus, Earth, Mars
Why are map symbols important
They help us understand information quickly.
How does gravity help keep the Solar System stable?
It keeps planets and moons in their orbits.
Explain why satellites are important in our daily lives.
They help with communication, weather forecasting, navigation, and Earth observation.
Explain the difference between rotation and revolution.
Rotation is Earth's spinning on its axis; revolution is Earth's movement around the Sun.