chemical reactions Flashcards
1
Q
what can chemical reactions do
A
make new chemicals
2
Q
do all atoms get arranged in a chemical reaction
A
no, some stay the same
3
Q
what is evidence of a chemical reaction
A
temperature change, bubbles, or colour change
4
Q
what can chemical reactions be represented by using
A
equations
5
Q
what happens to atoms during a chemical reactions
A
atoms are rearranged
6
Q
is cooking an example of a chemical reaction
A
yes
