CLMS Earth Science Unit 3 Review

Which inner planet has the HIGHEST average temperature?

• 1st planet - Mercury

• 2nd planet - Venus

• 3rd planet - Earth

• 4th planet - Mars

If the X-axis represents Time and the Y-axis represents Volume, what is this graph showing?

• Stellar life cycle

• Expansion of the universe

• Distance in lightyears

• Time to build rockets

What is correct about light-years?

• A single light-year is the time it takes for the Earth to revolve around the Sun

• Light-years are used to measure distances between Earth and faraway stars

• Light-years are typically used to measure the distance between Earth and the Sun

• A single light-year is the time it takes for the light from a distant star to reach Earth

What has helped scientists to be able to launch satellites and put humans on the Moon?

• Scientists discovered a way that rockets could travel at the speed of light

• Scientists improved instruments that helped calculate the distance to the Moon

• Scientists improved on the older rockets that were designed by previous engineers

• Scientists gained information that the gravity of the Moon was less than that of Earth

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What is the best way to explore planets in our solar system?

• use orbiting spacecraft to make observations on a microscopic level

• use a lander to uncover and then preserve an ancient fossil

• use a flyby mission to repeatedly investigate a small area of a planet

• use a rover to study the composition of a planet's surface

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What is the main benefit of using a telescope that detects gamma rays?

• validate hypotheses by replicating experimental results

• duplicate observations made in the visible light spectrum

• increase the number of astronomical variables that can be tested

• expand the range of astronomical phenomena that can be observed

What is the benefit of a telescope that orbits Earth?

• Views from outer space telescopes are clearer than those from Earth-based telescopes

• Earth-based telescopes have a greater range of light detection

• Human error is reduced by the use of the Hubble telescope

• The Hubble telescope is used to examine events that cannot be explained

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Which two items would be MOST necessary for life to develop on another planet?

• sulfur & nitrogen

• helium & hydrogen

• liquid water & carbon

• chlorophyll & oxygen

What is happening to the Sun's volume as it ages?

• Because of fusion, the Sun is becoming MORE massive so its self-gravity is getting weaker & reducing the volume

• Because of fusion, the Sun is becoming LESS massive so its self-gravity is getting weaker & increasing the volume

• Because of fusion, the Sun is becoming MORE massive so it's self-gravity is getting stronger & increasing the volume

• Because of fusion, the Sun is becoming LESS massive so its self-gravity is getting stronger & reducing its volume

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During its life cycle, the Sun can become which of the following? Select all that apply.

• red giant

• supernova

• white dwarf

• planetary nebula

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