Water 6th

Large bodies of water do not quickly change in temperature. Why?

• Water is the universal solvent

• Water has a high heat capacity

• Water has surface tension

• Water is non-polar.

What two elements make up water?

• Helium and Oxygen

• Hydrogen and Oxygen

• Helium and Carbon

• Oxygen and Carbon

Tags

NGSS.MS-PS1-1

Water is a universal solvent because it...

• It can be found anywhere on Earth

• It freezes when it gets cold

• Becomes less dense when frozen

• Dissolves most substances

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

The tightness across the surface of water that enables paper clips to float is ____________.

• adhesion
• capillary action
• surface tension
• polarity

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

• cohesion
• adhesion
• solution
• polar molecule

Tags

NGSS.MS-ESS2-4

What word describes when water is attracted to other substances?

• cohesion
• adhesion
• capillary action
• surface tension

Which statement explains why water molecules stick together?

• water is stick with all substances

• water molecules have strong hydrogen bonds with each other

• water molecules can dissolve almost anything

• water can form new chemical bonds with almost anything

A student is heating a pan of water.  What happens to the molecules as the temperature of the water gets hotter?

• the molecules move faster
• the molecules stop moving
• the molecules move slower
• there is no change in the movement of the molecules

Tags

NGSS.MS-PS1-4

In a water molecule the hydrogen and oxygen atoms form a chemical bond by sharing _________ with each other.

• protons 

• neutrons

• electrons

• nuclei

Tags

NGSS.MS-PS1-1