Variables
this is the variable that is changing; the cause
IV
Apples fall downward due to the force of gravity
Hypothesis- is an educated, testable idea or explanation
Law- describes the naturally occurring phenomenon (what)
Theory- explains why natural phenomenon occur (how/why)
Theory (explains)
This is a principle that is in effect everywhere at all times.
Universal Law
Grams measure...
mass
a campfire is an example of what kind of system?
Open
This is the variable that is the result of the change
DV
If it is hot outside, then the tire pressure inside the bicycle's tire will be greater
Hypothesis- is an educated, testable idea or explanation
Law- describes the naturally occurring phenomenon (what)
Theory- explains why natural phenomenon occur (how/why)
Hypothesis
What is the measurement on the graduated cylinder? (see image 1)
4.3ml
Meters measure...
distance
a sealed thermos is an example of what type of system?
closed
Things that must remain constant so you know what factors lead to the change are known as what?
controlled variables
“Every action has an equal and opposite reaction.”
Hypothesis- is an educated, testable idea or explanation
Law- describes the naturally occurring phenomenon (what)
Theory- explains why natural phenomenon occur (how/why)
Law (descriibes)
What is the scientific model illustrating? (see image 2)
various illustrations of atoms
Seconds measure...
time
14 apples; 3 bears; 22 inches are all examples of what type of observation?
quantitative
One grape is placed in tap water and another grape is placed in salt water. The change in their mass is measured after a day.
What is the IV?
The kind of water the grape is sitting in
When an object on earth is dropped, it falls downward
Hypothesis- is an educated, testable idea or explanation
Law- describes the naturally occurring phenomenon (what)
Theory- explains why natural phenomenon occur (how/why)
Law (describes)
What is the purpose of science?
to broaden our knowledge base about the natural world
Milliliters measure...
volume
red cardinals; rough bark; healthy children are all examples of what kind of observations?
qualitative
One grape is placed in tap water and another grape is placed in salt water. The change in their mass is measured after a day.
What is the DV?
The mass of the grape
If the density of oil is greater than water, oil will float on top of water.
Hypothesis- is an educated, testable idea or explanation
Law- describes the naturally occurring phenomenon (what)
Theory- explains why natural phenomenon occur (how/why)
Hypothesis
What is the length of the red rectangle? (see image 3)
2.3cm
Pounds per square inch (PSI) measures...
pressure
the human body is what type of system?
open