Earth in the Universe

Front

The diagram below shows the sun, Earth, and the moon.

Back

a solar eclipse

Front

What causes a lunar eclipse?

Back

the moon passing directly behind Earth and into Earth’s shadow

Front

What would most likely happen if the tilt of Earth were increased?

Back

It would change the seasons.

Front

Arrangement of the moon, the sun, and Earth during spring tides?

Back

The sun and moon are in a straight line with each other in reference to Earth.

Front

Why do people on Earth see the same side of the moon?

Back

The moon’s rotational period is the same as its period of revolution around Earth.

Front

What is the effect caused by the tilt of Earth’s axis?

Back

the changing seasons

Front

What causes ocean tides on Earth?

Back

the gravitational interaction between Earth and the moon

Front

Which choice best explains the different phases of the moon?

Back

the change in the amount of light reflected from the sun as the moon orbits Earth

Front

Why is Earth more likely to support human life than the other planets in our solar system?

Back

It has oxygen and water.

Front

Why are planets other than Earth most likely unable to sustain life?

Back

They have no liquid water.