Academic Team 2 Feb.

An earthquake is –

• crust through which lava escapes
• a sudden movement in the earth's crust
• a kind of chemical weathering that changes the earth
• a huge wave that washes over the earth

What do atoms contain?

• elements, neutrons, and bonds
• protons, neutrons, and electrons
• protons, molecules, and elements
• electrons, protons, and bonds

Earth would not have seasons if—

• it did not rotate
• it was slightly closer to the sun
• it was no tilted on its axis
• it had more than one moon

Which of these is the best measure of how much space an object or substance takes up?

• mass
• length
• volume
• density

Tags

CCSS.3.MD.A.2

A food web is a more realistic model of the flow of energy through an ecosystem than a food chain because - 

• most organisms depend on more than one species for food
• each organism in a food chain represents multiple feedings
• most organisms depend on just one species for food
• each organism in a food web represents a single feeding

Why are coal, oil, and natural gas considered nonrenewable resources?

• There is a limited supply, and they can be replaced in a short period of time.
• There is not a limited supply, and they cannot be replenished in a short period of time.
• There is a limited supply, and they cannot be replenished in a short period of time.
• There is not a limited supply, and they can be replaced in a short period of time.

After observing an outdoor ecosystem, a student writes this conclusion in a science notebook.
Is the student's conclusion logical?

• Yes, because ecosystems are made of living things that interact.
• No, because ecosystems are made of biotic and abiotic components that interact.
• Yes, because ecosystem is another name for habitat.
• No, because an ecosystem has nothing to do with biotic components.

what is a hypothesis?

• an educated guess 
• a theory 
  a theory 
• hot dog 

Conductor or insulator?  Plastic toy car

• Conductor
• Insulator

What has the greatest potential energy?

• a rock on the ground
• a rock twenty feet off the ground 
• a rock falling
• a rock being tossed