The Universe

Which process allows the formation of different layers in the Earth

• Formation

• Layering

• Accretion

• Differentiation

What are the four most common greenhouse gases?

• argon, carbon, nitrogen, helium

• carbon dioxide, methane, water vapour, nitrous oxide

• water vapour, carbon, gold, hydrogen

• carbon dioxide, methane, oxygen, hydrogen

When did the Big Bang occur?

• 13.7 billion years ago

• 4.6 million years ago

• 13.7 million years ago

• 4.6 billion years ago

A galaxy moving away from the Earth will show...

• an increase in light years

• a decrease in brightness

• a red shift in the spectrum

• a blue shift in the spectrum

What is the Doppler Effect?

• photoelectric effect

• does not change frequencies of any kind of light or sound

• observed whenever the source of waves is moving relative to an observer

• states that motion does not effect wave frequency

What are the order of the planets from the sun?

• Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune

• Earth, Mars, Mercury, Venus, Jupiter, Saturn, Uranus, and Neptune

• Saturn, Uranus, Earth, Mars, Mercury, Venus, Jupiter and Neptune

• Saturn, Uranus, Earth, Mars, Mercury, Neptune, Venus, and Jupiter

Define accretion...

• a decrease in mass under the influence of a black hole

• a bundle of mass

• the coming together and cohesion of matter under the influence of gravitation to form larger bodies

• the adjoining of mass

What is a consequence of the Global Conveyer Belt slowing?

What is the purpose of Thermohaline

Which of the answers is a consequence of climate change?

• hole in the O Zone layer of the Earth

• rising sea levels

• more frequent and intense weather

• animal species are decreasing in populations