Chemistry Lesson
Presentation
•
Chemistry
•
2nd - 9th Grade
•
Hard
Joseph Anderson
FREE Resource
10 Slides • 8 Questions
1
Chapter 2: Chemistry
By Ayush
2
Multiple Choice
CHALLENGE QUESTION: All of the following are true about Isaac Newton except
He has 3 laws of motion
He lived in England
He has long hair!
None of the answers are false; ALL are true
3
Atom
smallest unit of matter
4
Open Ended
Write a definition of what chemistry is. You have 2 minutes. GO!
5
Chemistry
The study of matter and changes that occur within matter
Matter is anything that takes up space and has mass
6
Multiple Choice
Which of the following would be considered matter?
A tennis ball
A segment of DNA
A piece of cake
Air
All of the following
7
Organic Chemistry
The study of matter with carbon
EXCEPT FOR: Carbon Dioxide
8
pH
stands for potential of hydrogen
basically tells you how much hydrogen is in something
pH measured from 1-14
lower: more acidic, higher: more basic
0-6 acidic
8-14 basic
7 neutral
9
10
Multiple Choice
Pure water is:
pure water does not have a pH
basic
acidic
neutral
11
Multiple Choice
Carbon Dioxide is organic.
True
False
12
Chemical Reaction
Reactants > Products
13
Multiple Choice
In photosynthesis, carbon dioxide is used to make sugar. What would be the reactant in this chemical reaction?
Water
Carbon Dioxide
Photosynthesis
Sugar
14
Physical Reaction
Changing the FORM of something but not changing it entirely
15
Multiple Choice
All of the following are PHYSICAL reactions EXCEPT:
Water turning into steam
Ripping up paper
Freezing water
Cutting up an onion
All are physical reactions
16
Catalyst
something that speeds up a process or reaction
17
Compound
a mixture of two or more different elements
18
Multiple Choice
All of the following are catalysts except:
Enzymes that speed up the breakdown of sugar
Enzymes that speed up the breakdown of water into oxygen and hydrogen ions
A molecule that slows down a reaction
All are catalysts!
Chapter 2: Chemistry
By Ayush
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