Branches of Sci /
Quan vs Qual
Quan vs Qual
Observation vs.
Inference
Inference
Testable Questions
and Hypotheses
and Hypotheses
Variables
Steps of
Scientific Method
Scientific Method
100
A scientist who is studying storms and weather. What branch of science would this be considered?
Earth science - the study of earth, its materials, and its atmosphere.
100
Making an educated guess about what we think is happening is called:
Inference!
100
What words do we use to make a hypothesis?
If... Then... Because...
100
The variable that we CHANGE in an experiment
INDEPENDENT?!
100
What is the scientific method?
A set of steps scientists use to answer a question/explore the world around them.
200
A scientist is studying the planets and how they revolve around the sun. What branch of science would this be considered?
Physical science - the study of non living things.
200
"This cheeto is 4 cm across." What would this be considered?
A QUANTITATIVE observation!
200
"Does the type of fish I put in my tank affect how dirty the water gets?"
Is this testable or non-testable? Why?
Testable - it has an independent and dependent variable.
200
What is a dependent variable? (Full sentence please)
The thing that is measured in an experiment.
200
What is science?
The study of the natural world by making observations and experimenting.
300
What type of observation uses 5 senses?
QuaLitative
300
"Wow. Mr. Abad really is 6'5""
What type of observation is this?
QuaNtitative
300
Which of the following would be a testable question?
1. Does an octopus breathe through its tentacles?
2. Does the amount of sugar in candy affect how much energy I get?
3. Why does my sweater feel extra warm today?
4. How many people in the room are wearing a hat?
B. It has a dependent and an independent variable!
300
"How does the number kids in a class affect the scores they get on their exams?"
What is the independent variable?
Number of kids in a class!
300
What is the first step of the scientific method?
Make an observation!
400
Somebody who is studying sharks, dolphins, and other sea creatures. What branch of science would this be considered?
LIFE SCIENCE!
400
John's car exploded on his way to work so he is probably feeling pretty angry.
What would this be considered?
An inference
400
Write a good hypothesis answering this question:
Does the amount of fish in my fish tank affect how happy the fish will be?
If (number of fish) then (how happy the fish will be) because (your reasoning)
400
Does the amount of food I put in a microwave affect how long it takes for it to get warm?
What would be the dependent variable?
How long it takes for the food to get warm.
400
The third step of the scientific method is to make a hypothesis. What is a hypothesis?
An educated guess about the outcome of an experiment.
500
Give me the names of both types of observations AND tell me what they are
Qualitative - 5 senses
Quantitative - uses numbers
500
"Mr. Abad is probably feeling really excited that we are all ready for the test!"
This would be an example of:
An inference
500
A testable question must always have:
An independent and a dependent variable
500
If I eat three potatoes, then I will have very little energy because potatoes have a lot of carbs and carbs make people tired.
What would this be considered and what is the independent variable?
A hypothesis, and the number of potatoes I eat.
500
What is a conclusion?
The FINAL STATEMENT that discusses the results of an experiment.