Energy Flow and Matter Cycles Through The Ecosystem

The owl receives energy from which organisms?

• grasshopper and mouse
• mouse and rabbit
• rabbit and butterfly
• butterfly and frog

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

What is photosynthesis?

• the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.

• The process by which organisms use dirt from the land to create a new habitat

• The process by which organisms use chemical energy to produce carbohydrates

What is a food chain?

• A network of complex interactions formed by the feeding relationships among the various organisms in an ecosystem

• A series of steps in which organisms transfer energy by eating and being eaten

What is a food web?

• A network of complex interactions formed by the feeding relationships among the various organisms in an ecosystem

• A series of steps in which organisms transfer energy by eating and being eaten

What percent is passed on from the bottom level of an energy period to the levels above it?

• 100%

• 50%

• 5%

• 10%

What is the main source of energy for life on Earth?

• Wind

• Sunlight

• Meat

• Plant

What are the three states of matter?

• solid, volume, mass
• density, volume, mass
• solid, liquid, gas
• density, gas, volume

Tags

NGSS.MS-PS1-4

What causes a change in the state of matter?

• physical properties
• chemical energy
• temperature

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which change can occur when  you add heat energy to water?

• The water can change from a liquid to a solid
• The water can change from a gas to a liquid
• The water can change from a liquid to a gas
• The water can change from a solid to a liquid

Tags

NGSS.MS-PS1-4

Which term means "the ability to cause change?"

• Matter
• Heat
• Energy
• physical change

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5