This variable is deliberately changed by the experimenter to test different levels.
What is the independent variable?
100
A concise principle that describes a natural phenomenon. (What happens)
What is a scientific law?
100
The basic unit of life
What is a cell?
100
This subatomic particle is located in the nucleus and does not have a charge.
What is a neutron?
100
What is the basic property of water that leads to all of its properties that are important for life?
What is hydrogen bonding
200
As a result of an experiment, you reject your hypothesis as incorrect. This was not a waste of time because you can now do this...
What is modify your hypothesis and design a new experiment?
200
A testable description or explanation
What is a hypothesis?
200
The sum of all chemical reactions that take place within an organism is this.
What is metabolism?
200
A cation with charge of 2+ has 20 protons, how many electrons does it have?
What is 18?
200
What is the property of water that means it takes a large amount of energy to raise the temperature of 1g of water by 1 degree Celsius?
What is high specific heat?
300
This is a group in an experiment kept under normal conditions with no treatment, used as a basis for comparison.
What is a control group?
300
Because of this, scientists may interpret the results of an experiment in different ways
What is subjectivity?
300
The two characteristics of life possessed by virus particles that make them similar to living things.
What is reproduction and evolution? (and having DNA - that goes under reproduction)
300
An atom of carbon has 6 protons, how many valence electrons does it have?
What is 4?
300
This property of water allows sunlight to reach aquatic plants.
What is transparency?
400
A ruler with increments of 1 mm would have uncertainty of this.
What is +/- 0.5 mm or +/-0.05 cm?
400
A principle that explains a natural phenomenon (How something happens)
What is a scientific theory?
400
Sweating, goosebumps, shivering, and thirst all accomplish this.
What is homeostasis?
400
Name 5 elements that are essential for life
What is hydrogen, carbon, oxygen, nitrogen, sulfur, phosphorous, sodium, magnesium, potassium, or calcium
400
This property of water is important because it allows tall trees to bring water all the way up from their roots to their leaves
What is capillary action?
500
The meniscus of water in a graduated cylinder comes exactly to the line for 12.1 mL. This should be reported as the measured volume.
What is 12.10 mL
500
This word describes scientific knowledge because scientific knowledge is never completely proven to be absolutely true, but can be overturned based on new data.
What is tentative?
500
This is the way that multicellular organisms get larger.
What is cell division and growth?
500
A bond in which electrons are shared unequally between two atoms.
What is a polar covalent bond?
500
This bodily fluid relies on water's solvent properties to carry glucose throughout the human body.