Chemistry of Life

Anything that has mass and takes up space is called...

• Matter

• Atoms

• Cells

• Elements

The most basic unit of life is the...

• Atom

• Element

• Molecule

• Cell

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

The smallest part of an element is a/an...

• Atom

• Molecule

• Ion

• Proton

Water is made of which two (2) elements?

• Hydrogen & Oxygen

• Hydrogen & Carbon

• Oxygen & Nitrogen

• Nitrogen & Carbon

Tags

NGSS.MS-PS1-1

Which of the following is a polar molecule?

• Water

• Carbon-Dioxide

• Oxygen

• Lipids

Which is NOT a property of water

• Water has a high specific heat

• Water is the universal solvent

• Water is capable of adhesion

• Water becomes denser as a solid

Attracting between two (2) of the same molecule is called...

• Cohesion

• Adhesion

• Surface Tension

• Capillary Action

Water sticks to the leaves of a plant. This is an example of...

• Adhesion

• Cohesion

• Capillary Action

• Surface Tension

Water has a "high specific heat'. What does this mean?

• Water easily heats up

• Water has a higher boiling point than most substances

• Water takes a lot of energy to change its temperature

• Water has an affinity for heat

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Ice floats in water. What does this indicate?

• Water is less dense as a solid

• Water is more dense as a solid

• Water is heavier as a solid

• Water is lighter as a solid