8th Quarter 2 Review

Why do temperatures on the moon’s surface vary more there than temperatures on Earth’s surface?

• The Moon has patches of ice

• The Moon has very little atmosphere

• The Moon's surface has many craters

• The Moon has lower density than Earth

Models of the Solar System have changed over time. What object is at the center of the Solar System within the heliocentric model?

• Earth

• Mercury

• Moon

• Sun

Scientists make observations and conduct experiments. In the process, they discover new information. If the new information does not support the current scientific model, what should happen to the newly discovered information?

• The new information should be thrown out because it does not fit

• The scientist must be wrong, so his experiments should be repeated

• The model should be changed to consider the newly discovered information

• The scientist should try to make his information agree with the current model

The model of the atom has changed over the past 200 years. Which of the following best explains why scientific models change over time?

• Science must always change as times change

• Scientists had to create better explanations to keep publishing

• New evidence has been introduced through scientific discoveries

• Technology, such as the internet, makes it easier to change scientific ideas

Models of the Solar System have changed over time. Which of the following best describes the geocentric model of stars and planets?

• The idea that planets revolve around the stars

• The idea that stars and planets revolve around the Earth

• The idea that stars and planets revolve around the Sun

• The idea that planets and the stars revolve around the Moon

Which of the following is NOT a terrestrial planet?

• Mars

• Earth

• Jupiter

• Mercury

Where is most of the mass of the universe found?

• dark matter

• gas and dust

• stars

• planets

Which of the following is a correct description of what the universe contains?

• few black holes

• billions of galaxies

• millions of stars

• few wavelengths

Which sequence describes the structure of the universe from smallest to largest?

• cluster, supercluster, solar system, galaxy

• galaxy, cluster, supercluster, solar system

• solar systems, galaxies, clusters, superclusters

• superclusters, clusters, galaxies, solar systems

Which of the following best describes Earth's specific location in space?

• at the center of a spiral galaxy

• at the edge of a supercluster

• in a cluster of galaxies

• within a solar system