Some
chemical changes are more noticable than others. Perhaps you enjoy going
to watch the fireworks at holidays. These large explosions are examples
of chemical changes.
Now let's look at some other things. Determine
which of these are examples of chemical reactions. After you make your choice
... click and drag to your answer below each picture. After you have chosen
an answer for each one, highlight the box below to see if you are correct.
1.
2.
3.
4.
5.
6.
7.
8.
9.
1. No chemical
change here, 2. Yes - chemical change,
3. Yes - chemical change, 4. No chemical change here,
5. Yes - chemical change, 6. Yes - chemical change,
7. Yes - chemical change (remember the motor is burning fuel), 8.
No chemical change here,
9. Yes, chemical change (remember the motor is burning fuel)
Don't you think it is interesting how often
chemical reactions are happening in the world around us?
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