Planets
The Earth
Day and Night
The Sun
The Space Race
100

What is the biggest planet in our solar system?

Jupiter

100

How many days is one year on earth?

365 (usually)

100

What happens to the earth to turn day into night?

The Earth rotates on its axis, an imaginary line, once every 24 hours, which means a different side to the earth is always facing the sun.

100

How many earths can fit in the sun? 13,000 or 1,300,000?

1,300,000

100

Where were the two countries in the space race trying to get to?

The moon

200

What former planet is no longer recognized as a planet because it is too small?

Pluto

200

How many moons does earth have?

1

200

When it is daytime where you live, is it daytime everywhere on Earth?

No, it is nighttime on the other side of Earth.

200

True or false. Sometimes Pluto is closer to the sun than Neptune.

True.

200

Who won the space race?

The USA.

300

What is the hottest planet in our solar system?

Venus. The surface of Venus is approximately 465°C! 

300

How long does it take for the earth to make one full rotation?

24 hours

300

Our galaxy is called the ________________.

Milky Way

300

The sun is a ___________.

Star.

300

The space race took place between the USA and ___________________.

The Soviet Union

400

Is earth the second, third or fourth planet from the sun?

The third!

400

What is a leap year?

A leap year is a calendar year that contains an additional day compared to a common year. This happens once every 4 years and is February 29th.

400

Why does the Sun seem to move across the sky during the day?

Because the earth is spinning

400

Why is the Sun important for life on Earth?

The Sun provides light and heat, which are essential for plants to grow and for keeping Earth warm enough for living things to survive.

400

What was the name of the first dog in space?

Laika.

500

What is the furthest planet from the sun?

Neptune.

500

Why does earth have a leap year?

You may be used to hearing that it takes the Earth 365 days to make a full lap, but that journey actually lasts about 365 and a quarter days. Leap years help to keep the 12-month calendar matched up with Earth's movement around the Sun.

500

Which direction does Earth spin, clockwise or counterclockwise, when looking down from above the North Pole?

Counterclockwise

500

What is the heliocentric model?

an astronomical model that places the sun at the center of the universe, with the Earth and other planets revolving around it

500

Who was the first human in space?

Yuri Gagarin