### Scientific Reasoning - Noblesville Schools

```INDUCTIVE REASONING
• Inductive reasoning is when you
use specific observations OR
examples to make conclusions or
rules.
INDUCTIVE REASONING
Observations
Specific
Examples
Conclusion/R
ule
INDUCTIVE REASONING
Example:
Observe/example: You scratch you cat’s
belly and he bites you. You scratch your
cat’s head and he bites you. You scratch
the cat’s back and he purrs.
Conclusion/rule: Don’t scratch your
cat’s belly or head
DEDUCTIVE REASONING
Deductive reasoning is when you start
with a conclusion or rule and then
apply the idea to observations or
examples.
DEDUCTIVE REASONING
Conclusion/
Rule
Observations
Specific
Examples
DEDUCTIVE REASONING
Example:
Conclusion/rule: Shapes with three
sides are called triangles.
Observations/examples: This shape
has 4 sides so it is not a triangle. This
other shape has 3 sides so we call it a
triangle
1. I see that turtles have shells. I see snails have shells. They
must use shells for protection. _______
2. A puddle has frozen. The pond is frozen. It must be below 0
degrees outside. _______
3. Because of the law of gravity, I notice every time I toss
something in the air, it falls down. _______
4. All dogs are mammals. Mammals have kidneys. Mammals
have hearts. ___________
1. My math teacher is a girl. My last math teacher
was a girl. All math teachers must be girls.
2. An apple a day keeps the doctor away. Mr. Olson
ate an apple every day. Dr. Drew stayed away.
3. Miss Jardine was bit by a dog. Miss Jardine is
now scared of all dogs.
4. All speeders will get a ticket. Miss B. was
speeding. She got a ticket.
```