H20 & Element Review

If B represents the amount of water on Earth found in ice, what do letters A and C represent?

• A: Fresh Water

  C: Salt Water

• A: Salt Water

  C: Fresh Water

Tags

NGSS.MS-ESS2-4

When mining for ore, chemicals are used to separate the metal ore from the rock. These chemicals can seep into the soil. How will this most likely affect the environment of this area? These chemicals will -

• pollute the drinking water

• evaporate into the air, causing acid rain

• provide food to worms living in the soil

• fertilize the plants, helping them to grow larger

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

Water is the only compound on Earth that....

• does not dissolve other substances

• contracts when it freezes

• commonly exists in all three states of matter

• is denser as a solid than as a liquid

Tags

NGSS.MS-ESS2-4

Which picture illustrates the structure of a molecule of water?

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1

Each of the following is tested to determine water quality EXCEPT -

• pH

• flavor

• phosphate

• salinity

Which of the following statements about matter is true?

• Matter can be created in a laboratory

• Matter never changes form

• Matter cannot be measured

• Matter is composed of small units called atoms

Tags

NGSS.MS-PS1-1

Atoms are the ________________ particles that have the properties of matter.

• largest

• smallest

• widest

• strongest

Tags

NGSS.MS-PS1-1

A student makes a drawing of a carbon atom. Which of these should the student show in the nucleus of the atom?

• Ions

• Protons

• Electrons

• Molecules

What atomic particle carries a negative charge?

• protons

• neutrons

• nucleus

• electrons

John is making a model of an atom. How should he arrange the protons, neutrons, and electrons in the atom model?

• Protons and neutrons within the nucleus and electrons outside the nucleus

• Protons and electrons within the nucleus and neutrons outside the nucleus

• Electrons within the nucleus and protons and neutrons outside the nucleus

• Neutrons within the nucleus and protons and electrons outside the nucleus

Tags

NGSS.MS-PS1-1