All organic compounds must contain these two atoms
What is carbon and hydrogen
100
If plants grow under blue light only, then they will grow taller.
The independent variable is
What is color of light
100
Atoms combine to make
What is molecules
100
Biology is the study of
What is life (living things)
200
Property described by water molecules sticking to water molecules
What is cohesion
200
Number of bonds carbon can form with other atoms
What is four
200
If temperature is decreased, then the rate of photosynthesis will decrease.
What is the dependent variable?
What is rate of photosynthesis
200
Examples at this level in living things includes the stomach, liver and brain
What is organ
200
"all living things are classified as either unicellular or multicellular" is an example of which characteristic of life?
What is made up of cells
300
Frozen water floats on top of liquid water
What is less dense as a solid
300
Rocks are organic/inorganic because...
What is inorganic, they are not alive and didn't come from something alive
300
If a lake is polluted by acid from a nearby factory, then the population of fish will decrease.
What is the control of the experiment?
What is lake with no acid pollution
300
water, glucose and carbon dioxide are examples at this level of life.
What is molecule
300
Reason that all living things have the ability to move.
What is to obtain necessary nutrients and avoid predation
400
Three properties of water that allow photosynthesis to occur
What is capillary action (initial push of water upward)
Cohesion (water sticks to water in vessels)
Adhesion (water sticks to walls of vessels)
400
Most important inorganic compound to life
What is water
400
You are running an experiment that looks at how long it takes water with different amounts of salt in it to boil.
Name two constants in the experiment.
What is amount of water, temperature you apply to the solution, same type of container the solutions are in
400
Level of organization below tissue and above organelle
What is cell
400
A bacteria cell splits, forming two identical cells. The life characteristic that this describes is what?
What is living things reproduce
500
Characteristics allowing animals to maintain homeostasis
What is universal solvent (carries dissolved nutrients to cells)
High Specific Heat (Absorbs heat energy released by muscles so body temperature doesn't increase)
500
Property of carbon that makes it the "building block of life"
What is ability to form bonds
500
Does the number of apps I have open in my cell phone affect how long the battery lasts?
What is the control set-up?
What is the independent variable?
What is the dependent variable?
What is battery life of phone with no apps open
IV- number of apps open
DV- time battery stays charged
500
Put the following in sequence...
Molecule, Organelle, Organ, Cell, Atom, Tissue, Organ System
What is Atom, molecule, organelle, cell, tissue, organ, organ system
500
If I give my teachers $20 each morning that I have a test, then I will get higher test grads. This is an example of which step of the scientific method?