HOMEWORK ICS 1
DIRECTIONS: ANSWER THE QUESTIONS BELOW IN COMPLETE SENTENCES.
1) What is the difference between a chemical and a physical change?
2) What is the difference between a solute and a solvent?
3) From the reactions below, state whether a physical or chemical change will occur:
|
Reaction |
Physical or
Chemical Change? |
|
WATER BOILING |
|
|
ICE CUBE MELTING |
|
|
CHALK MIXING WITH VINEGAR |
|
|
CEREAL MIXING WITH MILK |
|
|
IODINE MIXING WITH STARCH |
|
4) Use the words element, atom, protons, neutrons and electrons in a couple of sentences below.
5) What is the nucleus of an atom? Where is it found?
6) What is atomic mass?