Physical Science Chapter 6 Study Guide

How do plants absorb water?

• Through their roots

• Through their leaves

• Through their flowers

• Through their stems

What do plants convert water and carbon dioxide into?

• Sugar

• Protein

• Fat

• Oxygen

Tags

NGSS.MS-LS1-6

What is the source of energy for plants to convert water and carbon dioxide into sugar?

• Water

• Sunlight

• Carbon dioxide

• Soil nutrients

Tags

NGSS.MS-LS1-6

Through what do plants take in carbon dioxide?

• Stems

• Small openings in their leaves

• Roots

• Flowers

Tags

NGSS.MS-LS1-6

How are atoms held together in a covalent bond?

• By sharing protons

• By exchanging neutrons

• By transferring electrons

• By sharing a pair of valence electrons

Tags

NGSS.HS-PS1-1

What is a covalent bond?

• A bond where atoms share protons

• A bond where atoms transfer electrons

• A bond where atoms exchange neutrons

• A bond where atoms share a pair of valence electrons

Tags

NGSS.HS-PS1-2

What happens when a hydrogen atom has two electrons?

• It becomes a noble gas.

• It becomes a helium atom.

• It forms a covalent bond.

• It becomes unstable.

How can two hydrogen atoms achieve a stable electron configuration?

• By splitting electrons.

• By sharing electrons.

• By losing electrons.

• By gaining protons.

What is a bond called when two atoms share one pair of electrons?

• Single bond

• Triple bond

• Ionic bond

• Double bond

Which model shows a covalent bond by a pair of dots in the space between the symbols for the hydrogen atoms?

• Electron dot model

• Structural formula

• Space-filling model

• Electron cloud model