1st Semester Review - Earth Science

Front

How much of the Earth's water supply is freshwater?

Back

3% of the Earth's water supply is freshwater.

Front

During which moon phase does a solar eclipse occur?

Back

A solar eclipse occurs during the New Moon phase.

Front

What common characteristic do the inner planets share?

Back

The inner planets have a rocky surface.

Front

What tool did Edwin Hubble use to discover that the universe is expanding?

Back

Edwin Hubble used a telescope.

Front

What does the Big Bang theory suggest about the universe?

Back

The Big Bang theory suggests that the universe is continually expanding.

Front

What are the four inner planets of our solar system?

Back

Mercury, Venus, Earth, and Mars are the four inner planets.

Front

What is the primary component of the Earth's atmosphere?

Back

The primary component of the Earth's atmosphere is nitrogen.

Front

What is the difference between a comet and an asteroid?

Back

Comets are icy bodies that release gas or dust, while asteroids are rocky bodies that do not.

Front

What is the process of photosynthesis?

Back

Photosynthesis is the process by which plants convert sunlight into energy using carbon dioxide and water.

Front

What causes the seasons on Earth?

Back

The tilt of the Earth's axis causes the seasons.