The video tutorial discusses Earth as a system, explaining the concept of systems using examples like the human body. It differentiates between open and closed systems, using cans as analogies. The tutorial then introduces Earth's four spheres: hydrosphere, atmosphere, geosphere, and biosphere, providing definitions and examples. Finally, it covers Earth's cycles, including the nitrogen, carbon, water, and phosphorus cycles, highlighting their significance and interactions with the spheres.

What is a system?

• A random collection of items

• A group of independent parts working together

• A single entity with no parts

• A single part working independently

Tags

NGSS.MS-ETS1-1

Which of the following is an example of a system?

• A glass of water

• A single tree

• The respiratory system

• A single rock

Tags

NGSS.MS-LS1-3

What is matter?

• A form of energy

• A type of system

• Energy that can do work

• Anything that has mass and takes up space

Tags

NGSS.MS-PS1-5

How is energy defined?

• A closed system

• A type of matter

• The ability to do work

• Anything that has mass

In an open system, what can be exchanged with the surroundings?

• Both matter and energy

• Only energy

• Neither matter nor energy

• Only matter

Tags

NGSS.MS-LS2-3

Which sphere of Earth includes all living things?

• Biosphere

• Geosphere

• Atmosphere

• Hydrosphere

Tags

NGSS.MS-LS2-3

What does the term 'Geo' refer to in the geosphere?

• Life

• Water

• Air

• Earth or rocklike

Which cycle involves all four spheres and is crucial for plant and soil health?

• Carbon cycle

• Water cycle

• Phosphorus cycle

• Nitrogen cycle

Tags

NGSS.MS-LS2-3

Which cycle does not enter the atmosphere?

• Water cycle

• Phosphorus cycle

• Nitrogen cycle

• Carbon cycle

Which cycle is most likely familiar to students from previous learning?

• Carbon cycle

• Water cycle

• Nitrogen cycle

• Phosphorus cycle

Tags

NGSS.MS-ESS2-4