Observation or Inference
Researchable or Experimental Questions
Data
Variables
Scientific Method and Hypotheses
100
The lizard is blue.
Is this an inference or an observation?
Observation
100
Why did the teacher decorate the classroom with flowers?
Is this researchable or experiemental?
Researchable
100
What is the difference between qualitative and quantitative data?
Qualitative - Observable -senses
Quantitative - Numbers (Measurements-Quantities)
100
What are the three type of variables?
Independent
Dependent
Control
100
Put the steps in order.
Hypothesis
Share Results
Experiment
Question
Collect and analyze Data
Conclusion
Observation
Observe, Question, Hypothesize, Experiment, Record and Analyze Data, Draw Conclusions, Share
200
I see a man running down the street. Is this an observation or an inference?
Observation
200
Is this questions researchable or experimental?
Can a star explode?
Researchable
200
I used a ruler to measure the wing of a bug: 2cm
I have a hand lens used to see the scales of a colorful fish.
Which if these statements is quantitative data?
The first one.
200
True or False?
The control variable is the one thing that changes.
False.
Control variables must be the same for each of the samples in the experiment.
200
I use my senses to do this, I am part of the scientific method. What am I?
Observations
300
This man's tooth hurts. Is this an observation or inference?
Inference
300
How can we find the answer to researchable questions?
We can: use a book, Internet, interview, museums, etc.
300
State a qualitative and a quantitative piece of data for the picture:
Example:
QNT: 2 DOGS
QLT: SMALL DOGS
300
What is the variable that changes in an experiment?
Independent Variable
300
What are the key words used to write a hypothesis?
If , then
400
My mom saw this photo of my dad on a mountain. She thinks it is photoshopped because my dad dislikes hiking. What skill is she using?
She is inferring.
400
Is this questions researchable or experimental?
When was the Bible written?
Researchable
400
These tools help you get what kind of data?
- ruler
- spring scale
- pan balance
Quantitative
400
Amauri is answering the following experiment: At what time of day will a sun powered battery charge faster?
He states that his dependent variable is the time it takes for the battery to charge. Is this true or false?
True: He will collect data that states how fast the battery charged at different times of day.
400
What conclusion can you draw?
Most kids like playing.
Less kids like reading.
More kids prefer baking to reading.
Etc.
500
Pablo says that he counted 369 marbles.
Mia says that she thinks there were more, but some students took some.
Which of the two is making an observation and which of them is making an inference? Explain how you know.
Pablo is making a quantitative observation.
Mia is making an inference because it is what she thinks happened.
500
Alex asks: Which cars goes faster, when driving in the mud, a Jeep or Toyota?
Identify the variables.
Dependent: Speed
Independent: Type of Car
Control: Muddy Road, Similar Size Car