Basic Chem and Water

All matter consists of particles called

• Units

• Atoms

• Cubes

• Pints

Tags

NGSS.MS-PS1-1

Which part of an atom is POSITIVELY charged?

• protons
• neutrons
• electrons
• atoms

What part of an atom is NEGATIVELY charged?

• protons
• neutrons
• electrons
• atoms

Which part of an atom has no charge?

• protons
• neutrons
• electrons
• atoms

What is the name of a single type of atom?

• cell
• proton
• element
• atom

What is the term for combining 2 or more DIFFERENT atoms together?

• atoms
• elements
• molecules
• compounds

Tags

NGSS.MS-PS1-1

What kind of bond forms when atoms share electrons?

• ionic
• covalent
• artificial
• univalent

What kind of bond forms when atoms exchange electrons?

• ionic
• covalent
• artificial
• univalent

Water is essential for life. Its special properties make water the single most important molecule in plant life. Which of the following properties of water enables it to move from the roots to the leaves of plants?

• Water expands as it freezes.
• Water is an excellent solvent.
• Water exhibits cohesive behavior.
• Water is able to moderate temperature.

Tags

NGSS.MS-ESS2-4

Large bodies of water, such as lakes and oceans, do not quickly fluctuate in temperature. What is the reason for this phenomenon?

• Water is an acid.
• Water is a versatile solvent.
• Water has a high heat capacity.
•  Water acts as a buffer.

Tags

NGSS.MS-PS3-3