Random
What would a target look like if the shooter is NEITHER accurate or precise?
Holes everywhere.
What type of data is shown on a pie graph?
Percents
How does the amount of sunlight affect the plants' growth?
Independent variable?
amount of sunlight
A qualitative observation is based on _______.
5 senses
How do you find the range?
subtract the smallest number from the largest number
How do the variables react in a complex relationship?
Variables do not affect each other.
What type of data is used in line graphs?
relationships between variables
How does the amount of sunlight affect the plants' growth?
Dependent variable?
plant growth
A quantitative observation is based on ___________.
measurements
How do you find the average?
Add all the numbers together and then divide by the number of numbers.
Phenomena is meant to _________.
make us wonder, question, think, become curious about our natural world.
What type of data is shown on bar graphs?
Separate categories of data.
How does the amount of sunlight affect the plants' growth?
2 Controlled variables?
same plants, same time of day, same environment
What is the difference between making an observation and an inference?
Observations are based on descriptions of what you are experiencing where inferences are educated conclusion you draw about or from your observations.
What is accuracy?
Getting close to the actual amount/goal.
Identify the steps in the Eng. Design Process.
ask, imagine, plan, create, and improve
What does a direct relationship look like on a graph?
Straight line, rising from left to right.
How does the amount of sunlight affect the plants' growth?
Experimental variables?
What happens to the variables in a direct relationship?
they both increase
What does being precise mean?
Doing something exactly the same way each time.
In order for the scientific community to acknowledge new ideas as valid, it must be ________.
testable, repeatable, specific, completely explained.
straight line decreasing from left to right
How does the amount of sunlight affect the plants' growth?
2 Uncontrolled variables?
different nutrients/minerals in the soil
crazy weather
fog or cloud coverage
What happens to the variables in an inverse relationship?
one increases while the other decreases.
What would a complex relationship look like?
ups and downs randomly