Cell Theory
This is the basic unit of structure and function in all living things.
What are cells?
An organism made up of only one cell.
What is a unicellular organism.
A push or a pull on an object.
What is force?
When two forces are equal in size but opposite in direction, the object is in _______.
What is balanced forces?
This law states “For every action, there is an equal and opposite reaction.”
What is Newton's Third Law?
The invention that made it possible for scientists to discover and study cells.
What is the microscope?
An organism that makes its own food using sunlight.
What is an autotroph.
This force pulls all objects toward Earth's center.
What is gravity?
When forces on an object are not equal, causing a change in motion.
What is an unbalanced force?
A rocket launches because gases push downward, and the rocket pushes ______.
What is upward?
This scientist is credited with discovering cells when looking at cork under a microscope.
An organism that cannot make its own food and must eat other organisms.
What is a heterotroph.
The force that a surface exerts upward on an object resting on it.
What is normal force?
A 5 N push to the right and a 3 N push to the left act on a toy car. What is the net force and direction?
What is 2 N to the right?
Two skaters push off each other on ice. Explain the motion and force that follows.
What is they both move in opposite directions with equal force?
This scientist discovered that all animals are made of cells.
Who is Theodor Schwann?
Organisms that are made of more than one cell.
What are multicellular organisms?
The push or pull that one object applies to another.
What is an applied force.
A sled is pushed 10 N east and pulled 4 N west at the same time. What is the net force and which way does it move?
What is 6 N east?
This scientist is famous for stating the three laws of motion.
Who is Isaac Newton?
The three parts of cell theory state ____.
What are (1) all living things are made of one or more cells, (2) the cell is the basic unit of structure and function in living things, and (3) all cells come from existing cells?
Organisms that are made of more than one cell and must eat other organisms for food.
What are multicellular heterotrophs?
A force that resists the motion of two surfaces sliding past each other.
What is friction?
A box is pushed 8 N to the left, 3 N to the right, and 2 N to the left at the same time. Calculate the net force and direction.
What is 7 N to the left?
Come up with your own example that demonstrates Newton’s Third Law of Motion. Explain why it is a perfect example. You cannot use any examples that have already been used in our jeopardy game.
What is [answers will vary]?