Observation/Inference
Scientific Method
Variables...
Measuring
Engineering Design
100
What do you use to make qualitative observations?
5 senses
100
What is an educated guess, or possible answer to a question, called?
hypothesis
100
Identify the independent variable:
Are Bounty paper towels more absorbent than generic paper towels?
Type of paper towel
100
What is the unit of measure for length when using a ruler?
cm
100
The Engineering Design Process starts with what?
a problem
200
An observation that includes a number/measurement is considered what?
Quantitative
200
A hypothesis is a prediction that has what two key words?
if...then
200
Imagine you want to see which type of fertilizer helps plants grow fastest, so you add a different brand of fertilizer to each plant and see how tall they grow.
What is the dependent variable?
How tall the plants grow
200
A triple beam balance is used to measure what? And the label is what?
mass and g
200
What does the criteria mean in the Engineering Design Process?
the goal for the design
300
"The apple tasted sweet" is an example of what kind of observation?
Qualitative
300
What is the variable that I change in an experiment?
Independent
300
Harry wanted to find the best pen. He used 3 different brands of pens, Brand A, Brand B, and Brand C for a week and measured which pen lasted the longest before running out. Brand C lasted the longest.
What is the independent variable?
Brand of pen
300
What is the volume of the pink liquid?
25mL
300
What are constraints?
limitations
400
"The book is 25 cm long" is what type of observation?
Quantitative
400
The first step in the Scientific Method starts with a problem. How must the problem be stated?
In the form of a question
400
If the sponge capsule is put in 75*C water, then it will open in less than 3 minutes. What is the dependent variable?
How long it takes the sponge capsule to open
400
What is the freezing point and boiling point for Celsius?
0*C and 100*C
400
What happens if you design, create, and test a product but it doesn't work?
You improve it and test again.
500
"They are on their way to the beach because they have their bathing suits on" is considered what?
Inference
500
This step in the Scientific Method is when you write down what you know or do research.
Gathering information
500
Why can there only be 1 independent variable?
The experiment wouldn't be valid if more than one thing is changed.
500
When you read the volume of a graduated cylinder, you have to remember to read it at the bottom of what?
the meniscus
500
What are the steps in the Engineering Design Process?
1. ask
2. imagine
3. plan
4. create
5. test
6. improve
7. share