Earth Science-Intro and Astronomy

Our galaxy is called the

• local group

• Orion

• Andromeda

• Milky Way

According to the third law of planetary motion, the period of revolution of a planet is related to the planet’s ____.

• distance to the sun

• size

• gravitational attraction

• orbital speed

Which of the following is NOT a form of electromagnetic radiation?

• radio waves

• gravity

• gamma rays

• visible light

Which of Earth’s spheres includes the oceans, groundwater, lakes, and glaciers?

• atmosphere

• hydrosphere

• biosphere

• geosphere

What movement of Earth is responsible for night and day?

• rotation

• revolution

• precession

• perigee

Seasons are caused by

• Earth's rotation

• precession

• Earth's tilted axis

• Earth's distance from the sun

Earth’s four major spheres are the ____.

• hydrosphere, atmosphere, geosphere, and biosphere

• hydrosphere, atmosphere, lithosphere, and biosphere

• hydrosphere, asthenosphere, lithosphere, and biosphere

• hydrosphere, geosphere, lithosphere, and asthenosphere

The product of nuclear fusion is ____.

• hydrogen

• oxygen

• helium

• nitrogen

Based on the observed red shifts in the spectral lines of distant galaxies, astronomers conclude that ____.

• Earth is in the center of the universe

• the universe is contracting

• the universe is expanding

• the universe is smaller than once believed

What are the three main parts of the geosphere?

• atmosphere, crust, core

• crust, mantle, core

• lithosphere, mantle, core

• asthenosphere, lithosphere, atmosphere