Exploring Convection Currents

What color is used to represent hot water in the experiment?

• Yellow

• Red

• Green

• Blue

At what temperature does water boil?

• 167 degrees Fahrenheit

• 32 degrees Fahrenheit

• 50 degrees Fahrenheit

• 212 degrees Fahrenheit

What happens to the hot and cold water when the divider is removed?

• They remain separated

• Hot water sinks and cold water rises

• They mix evenly

• Hot water rises and cold water sinks

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Why does cold water sink in the experiment?

• It has a lower density

• It has a higher density

• It is more colorful

• It is lighter

Tags

NGSS.MS-PS2-2

What does density refer to?

• The temperature of the liquid

• The amount of atoms in a certain space

• The color of the liquid

• The speed of the molecules

Tags

NGSS.MS-PS3-4

How do molecules behave in a warm liquid?

• They are closer together

• They move slower

• They become solid

• They are more spread apart

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What causes hot magma to rise inside the Earth?

• It is heavier

• It is cooler

• It is more dense

• It is less dense

What is created by the movement of hot and cooler magma?

• Tsunamis

• Convection currents

• Earthquakes

• Volcanoes

Tags

NGSS.MS-ESS2-1

What happens to the Earth's crust due to convection currents?

• It is dragged apart

• It melts

• It remains stationary

• It becomes thicker

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

What is released back into the atmosphere during a volcanic eruption?

• Water vapor

• Oxygen

• Nitrogen

• Carbon dioxide

Tags

NGSS.MS-ESS3-2