In a closed system, the only thing that can enter or leave is?

• Matter
• Energy

Water boiling in a pot on a stove is an example of what?

• Open system
• Closed system

A sealed test tube with plants in it and water is left in the sunlight. This is a(n)

• Open system
• Closed system

Why is Earth not a closed system?

• Sunlight enters our atmosphere
• Some things have left Earth

What is the gaseous envelope surrounding Earth called?

• Biosphere
• Atmosphere

Lava from a volcano is destroying a forest. This is an example of what two spheres interacting?

• Hydrosphere and Geosphere
• Biosphere and Geosphere

A sequence of events that repeats itself is known as:

• System
• Cycle

The process of water going from liquid to gas is called:

• Condensation

• Evaporation

• Precipitation

What would happen to Earth if it took in more energy than it released?

• It would get warmer
• It would get cooler
• Nothing

What is the process called where water changes from gas in to liquid in the atmosphere?

• Condensation

• accumulation

• evaporation