Earth/Environmental Sci Final Exam - Spring 2025

A luminous ball of gas held together by gravity and powered by nuclear fusion.

• asteroid
• sun
• star
• orbit

The force that attracts two bodies toward each other.

• rotation
• orbit
• fusion
• gravity

When day and night are of equal length due to the sun crossing the equator.

• solstice
• revolution
• equinox
• orbit

The star at the center of our solar system.

• asteroid
• Sun
• solstice
• axis

Rocky planets close to the sun (Mercury, Venus, Earth, Mars).

• terrestrial planets
• Jovian planets
• gas giants
• solar system

How long ago did our Solar System begin to form?

• 2.3 billion years ago
• 3.5 billion years ago
• 4.6 billion years ago
• 5.8 billion years ago

What causes the seasons on Earth?

• Distance from the Sun only
• Earth's rotation speed
• Axial tilt and revolution
• Atmospheric conditions

Regions where one tectonic plate is forced beneath another.

• subduction zone
• transform boundary
• divergent boundary
• convection cell

Plate boundaries where two plates collide.

• divergent
• convergent
• transform
• convection

The semi-fluid layer of the mantle beneath the lithosphere.

• epicenter
• aesthenosphere
• lithosphere
• hot spots