How to do Science
What is a qualitative observation?
What is a non-numerical observation?
The essential process where plants, algae and some bacteria use sunlight, water, and carbon dioxide to create their own food (sugars) and release oxygen and byproduct
An individual's observable traits, such as height and eye color.
What does pH measure?
How acidic something is.
When do you use a dissecting scope?
When trying to observe a larger object up close
What is the dependent variable?
What is the variable that gets affected by the other?
controls cell activities, where ribosomes can be produced, and contains the cell's DNA
What is a nucleus?
An organism's ability to survive and produce offspring in it's enviroment.
What is Fitness
What are phosphates usually a product of?
Human agriculture and urban runoff.
Which star sits on the north celestial pole?
Polaris (The North Star)
When do you use a bar graph?
What is when one variable is a number and the other is not?
an organism that produces its own food from inorganic substances, using energy from sunlight
What is an autotroph?
A random change to an organism's DNA sequence.
What is a mutation?
Which has a higher concentration of dissolved salts, Bay water or fresh water?
Bay water
What is the outer layer of a cell called?
Cell membrane
What axis do you put the independent variable?
What is the x axis?
absorbs sunlight and is what gives plants a green color
What is chlorophyll?
Any heritable trait that helps an organism survive and reproduce in it's environment.
What is an adaptation?
Is a pH level of 1 most basic or most acidic?
Most acidic.
What happened to the ecosystem when wolves were removed from Yellowstone?
The elk population doubled, grass and sapling populations decreased, and rivers eroded
How many centimeters is 2.5 kilometers?
What is 250,000cm?
an observational research method in which data is gathered for the same subjects repeatedly over a period
The process through which populations of living organisms adapt and change in response to their environment.
What is natural selection?
What is the density of distilled water?
1.0 g/mL
What is the final element a star fuses into?
Iron (Fe)