Which subatomic particle is negatively charged?

• Proton

• Neutron

• Electron

• Atom

Everything in the universe is made from?

• protons

• molecules

• matter

• electrons

Which model best shows the molecule CO2?

• 
• 
• 
• 

How many neutrons are in this element?

• 9

• 18

• 10

• 19

If thermal energy is added to a solid, what will happen to it?

• It will melt into a liquid state

• it will evaporate into a gas

• it will stay a solid

• it will turn into a plasma

^{_{This photos shows water molecules in which state of matter...}}

• Solid
• Liquid
• Gas

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

How many hydrogen atoms are there in a water molecule? 

• 0
• 1
• 2
• 3

Tags

NGSS.MS-PS1-1

Water is a polar molecule.  True or False

• True
• False

When water molecules stick to other things, like the penny, it is called?

• Cohesion
  
• Adhesion
• Ice Wedging
• Precipitation

When water travels up the stems and through the petals of plants using cohesion is called...

• Capillary Action
• Transpiration
• Oxidation
• Acid Rain