BRAIN POP Solar System

The solar system began about

• 4.5 billion years ago

• 4.5 million years ago

• 14.5 billion years ago

• 450 million years ago

The solar system began as

• gas and water

• gas and dust

• gas and more gas

• gas that smelled bad

What holds the planets in their orbits around the sun?

• gravity
• speed
• string
• air currents

Which object in our solar system has the most gravity?

• Earth

• moon

• Jupiter

• sun

The four inner planets are...

• Rocky and small

• Very large and made of ice

• Small and made of ice

• Very large and made of gases

The outer planets are...

• Rocky and small

• Very large and made of ice

• Small and made of ice

• Very large and made of gases

Which two planets are out of order in this list of our solar system?

Mercury-Earth-Venus-Mars-Jupiter-Saturn-Uranus-Neptune-Pluto.

• Mercury and Earth

• Earth and Venus

• Saturn and Jupiter

• Uranus and Neptune

How does a telescope help us understand the moon?

• It tells us how it was formed

• It tells us how hot it is there

• It helps us see the moon's surface features

• It can tell us what the moon is made of, cheese or not

Does this graph show relative size or distance from the sun of the planets?

• It shows both size and distance.

• It does not show size or distance.

• It shows distance from the sun

• It shows relative size of the planets.

Which planet has life on it?

• Venus

• Earth

• Mars

• Jupiter