physical science

Which of the following is an element.- (Bodie)

• a.electron

• b.H20

• c.Atom

• d. Carbon

Which of the following is an example of a molecule.- (Bodie)

• A.Protons

• B.C02

• C.Oxygen

• D.Helium

What is a molecule.- (Bodie)

• A. a group of atoms bonded together

• B. A substance that is part of a molecule

• C. neutrons

1- What is the definition of soundwave?-(Mueller)

Atoms to molecules are like. - (Bodie)

• A. Night is to day

• B. Puppies are to dogs

• C. States are to countries

2- What is the definition of frequency ?- Mueller

3- What is the definition of amplitude?-Mueller

4- What is the definition of wavelength ?-(Mueller)

5- What is the definition of lightwave?- Mueller

1-How does light travel?-Mueller