Unit Test — Unit test Answers

Which phrase describes the composition of the outer planets?

Which characteristic is common to all inner planets?

What is some of the evidence used by Galileo to support Copernicus’s model and disprove Aristotle and Ptolemy’s?

How did Galileo increase public support for Copernicus’s model?

Which technology can observe electromagnetic radiation and avoid light pollution to allow for exploration beyond our solar system?

In what way has technology used aboard the International Space Station benefited humans back on Earth?

Which correctly lists three planets that have rings?

What was the purpose of the Apollo program?

Which is capable of housing astronauts while they conduct research?

Which planet revolves slowly around the Sun, has rings, and is known for its Great Red Spot?

Which planet is terrestrial?

How was Aristotle’s model similar to Ptolemy’s model?

The image shows how Earth orbits the Sun. Points W and X are the same distance from the Sun.

A scientist discovers a deep bowl-like divot under the ocean off the coast of eastern Mexico that is many kilometers across. The layers of the ground all around the continent from around the time that structure formed contain large amounts of iridium and a larger number of fossils than is normally found. What most likely caused the bowl-like structure?

Which planet is the smallest and the closest to the Sun?

Look at the image of the solar system.

A scientist is tracking an object orbiting the Sun that is found between Mars and Jupiter. Which additional feature can be used to determine the object is an asteroid?

Which statements describe the relationship of Earth and its moon? Check all that apply.The moon orbits Earth following a nearly circular path.The gravitational pull of Earth on the moon is parallel to the velocity of the moon.The moon orbits Earth in 1 Earth day.The same face of the moon always points toward Earth.The moon’s orbit is the result of the interaction between the moon’s inertia and the gravitational force from Earth.

Which are the effects of gravity on objects on the surface of Earth? Select 2 options.Objects “fall” toward the center of Earth.Objects are pulled by Earth but do not pull on Earth. Objects accelerate at a rate of 9.8 m/s each second.Objects travel at a rate of 9.8 m/s toward the center of Earth.Objects pull on the Earth is much stronger than the Earth’s pull on the object.

65 million years ago there was a mass extinction that is best known for killing the dinosaurs. There was also a large deposit of dust that contained substances only found in asteroids. What most likely killed off the dinosaurs?