BJU Biology Chapter 2

What doth matter be?

• Occupies mass and has space

• Occupies space and has mass

• Occupies a home and pays rent

• Type answer option here

An atom has all the characteristic of and is the smallest unit of a

• compound

• molecule

• element

• chemical bond

Chemical reactions that absorb heat are called

• Epithermic

• Exothermic

• Endothermic

• Ectothermic

• Thermometer

Activation energy is

• The energy released in exothermic reactions

• Caused by catalysts

• The energy needed to start a reaction

• The energy needed for endothermic reactions

The subatomic particles found in the nucleus of an atom are

• Electrons and protons

• Protons and neutrons

• Neutrons and electrons

• Electrons, protons, and neutrons

An atom having a positive OR negative charge is called a(n)

• Compound

• Proton

• IOn

• ELECTRON

When put together an acid and a base neutralize each other and form

• Water and pH

• Water and salt

• Mixtures

• Soda and water

Anything that occupies space and has mass is

• Energy

• matter

• liquid

• solid

When only water is diffused through a semipermeable membrane, the process is called

• Diffusion

• Net movement

• Osmosis

• Equilibrium

A physical change is demonstrated by

• Boiling water

• Mixing sugar and water

• Chilling gelatin

• All of these!!!!!