Doing Science
What is an example of an observation
Answers vary
What force pulls objects to Earth?
gravity
What is the primary source of energy in food webs?
The sun
What causes the plates to move?
Convection in the mantle
What is a unicellular organism?
A unicellular organism is made up of one cell.
What do you call the variable that is changed in an experiment?
Independent variable.
Which force opposes the force applied?
Friction (minus 500 if you wrote air resistance)
What is the name of an organism that makes its own food?
producer or autotroph
Name one natural event caused by plate tectonics.
Earthquakes or volcanoes.
What is the function of the nucleus?
The nucleus is the control center of the cell.
What is an example of a research question?
Answers vary
How do you calculate force?
F = ma
(mass x accelleratation)
What percentage of energy is lost between trophic levels?
90%
What is the process of one plate being destroyed by going under another plate called?
Subduction
Name 3 body systems
circulatory, respiratory, digestive
What is the purpose of a control variable?
Control variables are used to ensure that the experiment is fair and that the results are due to the independent variable.
What is the net force acting on a car travelling at a constant speed in a straight line?
0
Apex predators
What are the three types of plate boundaries?
Divergent, convergent, and transform boundaries.
Name the levels of organization in living things.
Organelles, cells, tissues, organs, organ systems, organism
What do you need for a perfect graph?
title
labeled axes
logical, consistent scale
data points
Draw a Free Body Diagram for terminal velocity.
must have balanced forces between gravity and air resistance
What are two examples of decomposers?
fungi, bacteria, worms
What do you call the large, steep valley on the ocean floor at convergent plate boundaries?
Deep-sea trench
How do cells function in multicellular organisms?
Cells function together by forming tissues that perform specific functions in organs and organ systems.