Earth EH

What theory does science believe created the solar system?

• Giant Impact Theory

• Co Formation Theory

• Nebular Theory

• Capture Theory

How old does Science say the earth is?

• 4 million years old

• 4.5 billion years old

• 4.5 trillion years old

• 275 million years old

Where did our solar system come from?

• A black hole

• Other planets

• The big bang

• A nebula

Which of these is a good source of information about the formation of the earth?

• The earth

• Jupiter

• Mars

• Saturn

What is an isotope?

• A type of rock formation
• A type of subatomic particle
• A type of chemical compound
• A variant of an element which differs in neutron number.

Earth is an active planet. What does that mean?

• It means that Earth is a dead planet with no geological activity
• It means that Earth is a planet made entirely of water
• It means that Earth is a small and insignificant planet
• It means that Earth changes due to earthquakes, volcanic eruptions, and tectonic plate movements.

How many neutrons does 6C14 have?

• 6

• 8

• 7

• 9

How many protons does 8O14 have?

• 6

• 7

• 8

• 9

Which of these is not an isotope?

• 6 Carbon 14

• 92 Uranium 235

• 8 oxygen 16

• All of the above

What happened last?

• Formation of terrestrial planets

• Accretion Disc

• Gravitational Collapse

• Protoplanet formation