Pre-AP Bio Unit 1: Ecology

Water cycles between the abiotic and biotic systems in a process known as the _____ cycle.

• Carbon

• Hydrologic

• Nitrogen

• Phosphorus

Tags

NGSS.MS-ESS2-4

Where does the energy needed for the water cycle to occur, come from?

• The Moon

• The Sun

• Producers

• Omnivores

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

What is it called when plants give off water vapor as a waste product?

• condensation
• evaporation
• sublimation
• transpiration

What type of bond is found BETWEEN water molecules?

• hydrogen bonds

• ionic bonds

• nonpolar covalent bonds

• polar covalent bonds

Which end of the water molecule has a slightly positive charge?

• the oxygen end
• the hydrogen end
• both ends are slightly positive
• neither end is positive

What word describes when water is attracted to other substances?

• cohesion
• adhesion
• capillary action
• surface tension

When water molecules stick easily to other water molecules, this is called what?

• cohesion
• adhesion
• solution
• polar molecule

Tags

NGSS.MS-ESS2-4

The fact that ice floats on liquid water is due to the fact that water's solid is ___________ than it's liquid form

• less polar
• more polar
• less dense
• more dense

Which statement explains why water molecules stick together?

• both sides are negative
• one side has a positive charge and the other side has a negative charge
• one side has a negative charge adn the other side has a neutral charge
• both sides are positive

Tags

NGSS.HS-PS2-6

Which of the following is the correct molecular structure for water, H₂O?

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1