**Observations**

1
Observations

• Quantitative Observations observations using
  measurements. Numbers
• Quantity how many?
• Weight/height/length
• Temperature
• Qualitative Observations
• observations describing qualities using your
  5 senses.
• Things you cant put a number to.
• Smell
• Color

2
Making an Inference

• An inference is an EXPLANATION of an
  observation based on past experience.
• For example
• You OBSERVE that the grass is wet outside of the
  school. What can you infer?
• - it rained
• - sprinklers were on
• - There is dew on the grass from the morning
• - A dog used the bathroom!!

3
Making an Inference

• 1. You hear a lot of screaming outside. What can
  you infer about what is going on?
• - Fight
• - A class is playing a game
• - There is a school football game going on
• - Cicada attack

4
Making an Inference

• 2. The school fire alarm is going off.
• - A school fire drill
• - A student pulled the alarm
• - The school is on fire

5
Making an Inference

• An inferences is a guess. It is NOT FINAL!!
• You need to INVESTIGATE further to find out
  what BEST explains your inference.
• 1. Think about the wet grass example, what
  further investigations could you use to
  accurately determine why the grass is wet?
• 2. What about the screaming outside?

6
Making an Inference

• Testing or experimenting is way to further
  investigate an observation.
• A doctor could infer that a patient has strep
  throat because their throat is red.but how could
  the doctor test (investigate) to find out what is
  wrong?

7
Look at these two sets of animal tracks.

• List 3 OBSERVATIONS
• Make an INFERENCE

8
Now what do you think?
Make 3 OBSERVATIONS
Make an INFERENCE
9
Now what do you think?
Make 3 OBSERVATIONS
Make an INFERENCE