Properties of Earth

The earth is protected from harmful UV rays from the sun's solar winds by our -

• atmosphere

• iron core

• magnetosphere

• ozone layer

The frozen water at the North and South Pole is called -

• icebergs

• ice caps

• slush

• ice cubes

If the North Pole has one charge, then the South Pole has -

• the opposite charge

• the same charge

• no charge

• more charge

We know the age of the Earth because of -

• scientific guessing

• scientific hypothesis

• scientific method

• scientific evidence

The Earth is approximately -

• 4.5 million years old

• 4 million years old

• 4.5 billion years old

• 4 billion years old

Which of these has something to do with the unique properties of Earth that make life possible? Check all that apply.

• our moon

• location

• size

• plate tectonics

After learning about everything that had to be "just right" for Earth to have all of the unique characteristics that make life on this planet possible, which of these book characters it would be?

• Goldilocks

• Rumpelstiltskin

• Big Bad Wolf

• Cinderella