Solar System and Cosmic Theories Quiz

Which of the following is an approximate age of when the Sun and Earth formed, along with the rest of the solar system?

• 4.6 billion years

• 3 million years

• 1 billion years

• 5 billion years

(Select 2 answers) Earth eventually separated into its core and these two additional layers.

• Mantle

• Crust

• Biosphere

• Inner Core

1.5 billion years ago, the chemical composition of the atmosphere is ______________ to what it is today.

• different

• similar

• unchanged

• unknown

Scientists believe this is one possible reason why the 1st atmosphere was lost.

• Solar winds

• Volcanic activity

• Meteor impacts

• Chemical reactions

According to Kepler’s 1st Law, the shape of a planetary orbit is called ___________.

• circle

• ellipse

• spherical

• oval

On which side of this orbit is the moon travelling at the highest velocity (speed)?

• top

• bottom

• left

• right

Each planet revolves around the sun with equal area in equal time.

• Kepler's 1st Law

• Kepler's 2nd Law

• Newton's Law

• Galileo's Law

The law of ellipses states: The greater the eccentricity, the more elongated an ellipse is.

Which law is this?

• Kepler's 1st Law

• Kepler's 2nd Law

• Kepler's 3rd Law

• Newton's Law

(Select 2 answers) The first atmosphere of early Earth had a high percentage of these elements.

• Hydrogen

• Oxygen

• Carbon Dioxide

• Nitrogen

Earth’s new atmosphere consisted of carbon dioxide created from ____________ due to the heat from the core.

• glaciers

• photosynthesis

• volcanic eruptions

• solar winds