How many planets are there in our solar system?
Eight.
What is the biggest planet?
Jupiter.
What is the smallest planet?
Mercury.
Name the three main layers of the earth.
The crust, the mantle and the core.
Name the three spheres of the earth.
The atmosphere, the hydrosphere and the geosphere.
An earthquake is measured with what?
A seismograph.
True or false: natural disasters do NOT cause severe damage to the earth and to the population.
False.
True or false: wildfires are mostly caused by human activity.
True!
True or false: the sun is a star, not a planet.
True!
Which are the coldest planets? (Hint: there are three, and they are the furthest away from the sun).
Saturn, uranus and neptune.
This planet has rings of rock and ice.
Saturn.
The earth spins on its axis. What is the word for this?
Rotation.
The earth takes one year to orbit around the sun. What is the word for this?
Revolution.
What is the closest planet to the sun?
True or false: the outer core is solid and extremely cold.
False! It's the opposite - it is liquid and extremely hot.
Floods happen when a heavy ____ causes a body of water to overflow.
Rain.
When do droughts happen?
When it rains very little.
What are molten rocks called?
Magmas.
What type of rocks are in the mantle?
Molten rocks.
This part of the earth sits beneath continents and oceans. Which is it?
The crust.
When magma flows onto the Earth's surface, it is called what?
Lava.
True or false: the earth is perpendicular to (90 degrees from) the sun.
False! It is tilted at a 23.5 degree angle.
In summer, the days are ____ and it is ____ compared to winter.
Shorter, hotter.
What is the furthest planet from the sun?
Neptune.
Give the names of all eight planets. (Extra 50 points if you include the planet that was recently declassified as a dwarf planet!)
Mercury, Venus, Mars, Earth, Jupiter, Saturn, Uranus and Neptune.