Force
Graphing Distance and Time
Potential and Kinetic
Cell Theory
Random
100
The force of attraction between any two objects is known as _______.
A. friction
B. gravity
C. magnetism
D. electricity
B. gravity
100
Sandy puts a paper clip on the table and puts a magnet near the paper clip. The paper clip begins to move. What type of forces are acting on the paper clip?
A. balanced
B. unbalanced
C. only gravitational
D. only magnetic
B. unbalanced
100
A stone held above the ground has potential energy. When the stone is dropped, potential energy is converted to _________ energy.
A. kinetic
B. electrical
C. thermal
D. chemical
A. kinetic
100
List these items from smallest to largest.
Cell
Tissue
Molecule
Organelle
molecule, organelle, cell, tissue
100
What is my favorite color?
Purple
200
Which force is a non-contact force?
A. normal force
B. magnetic force
C. impact force
D. frictional force
B. magnetic force
200
How many seconds does it take to travel 4 meters?
2 seconds
200
Which of the following is an example of kinetic energy being converted to potential energy?
A. The cord of a bow-and-arrow is released, propelling the arrow forward.
B. On a factory assembly line, boxes slide down a ramp.
C. A bike rider stops pedaling and lets his bicycle coast up a hill.
D. At an ice rink, an ice skater gives another ice skater a gentle push.
C. A bike rider stops pedaling and lets his bicycle coast up a hill.
200
What is the smallest unit of life.
A cell
200
Roberta's next door neighbor has a theory that the best time to wash your car is late in the afternoon on Sunday. Is this a scientific theory?
A. Yes, the car will stay clean for more of the week.
B. Yes, the neighbor might be a scientist.
C. No, it is better to wash cars on Saturday.
D. No, it is an opinion and is not testable.
D. No, it is an opinion and is not testable.
300
What happens to the gravitational force between two objects as the bodies become closer to each other?
A. The gravitational force begins to repel the objects.
B. The gravitational force increases.
C. The gravitational force decreases.
D. The gravitational force stays the same.
B. The gravitational force increases.
300
Which of the above objects is moving the fastest?
A. All 3 objects are moving at the same speed.
B. B
C. C
D. A
D. A
300
Between which 2 points is the rollercoaster loosing kinetic energy as it gains potential?
B,C
300
What are the three principles of Cell Theory?
All cells come from existing cells.
Cells are the basic unit of life.
All living things are made up of one or more cells.
300
How is a scientific theory different from everyday theories proposed by random individuals?
A. Everyday theories can be proven beyond doubt.
B. Scientific theories must be supported by evidence or data.
C. Everyday theories are based on facts, not opinions.
D. Scientific theories are not different from everyday theories.
B. Scientific theories must be supported by evidence or data.
400
As the masses of two objects increase, how does the gravitational force between the two bodies change?
A. The gravitational force increases.
B. The gravitational force begins to repel the objects.
C. The gravitational force decreases.
D. The gravitational force stays the same.
A. The gravitational force increases.
400
Which graph shows a person traveling 2 meters in 5 seconds?
A. Blue line
B. Green line
A. top graph
400
A chunk of coal has a substantial amount of chemical potential energy. If released, the chemical potential energy will cause the coal atoms and molecules to vibrate violently, and this internal kinetic energy can be transferred to other nearby objects.
Which of these is the best way to transform this chemical potential energy into internal kinetic energy?
A. submerge the coal in water
B. roll the coal down a hill
C. drop the coal from a great height
D. burn the coal
D. burn the coal
400
Keeping the hierarchical organization of organisms in mind, your heart is an organ, what is it made from?
Tissue
400
Which of the following best defines a scientific law?
A. a possible explanation for a phenomenon on which no scientific research has been done
B. an opinion that cannot be tested through scientific experimentation
C. a rule that tells people how they should or should not behave in public
D. a description of a specific relationship under given conditions in the natural world
D. a description of a specific relationship under given conditions in the natural world
500
_______ are slowing down a roller coaster due
to _______.
Air molecules, friction
500
A book is sitting on a table at rest. Which of the following best describes the forces acting on the book?
A. The forces on the book are balanced because the gravity pulling down on the book is equal to the upward force applied by the table.
B. The forces on the book are balanced forces because the gravity pushing up on the book is equal to the friction from the table pushing the book to the right.
C. The forces on the book are unbalanced because the gravity pushing down on the book is not equal to the force of the table pushing up on the book.
D. The forces on the book are unbalanced because the gravity pushing up on the book is not equal to the friction from the table pushing the book to the right.
A. The forces on the book are balanced because the gravity pulling down on the book is equal to the upward force applied by the table.
500
There is a skier at the top of a ski slope. The skier has potential energy. What gives the skier his potential energy?
A. gravity
B. his speed
C. his efficiency
D. friction
A. gravity
500
List the hierarchical organization of organisms from least to greatest.
Atoms, molecules, cells, tissue, organs, organ systems, organisms
500
The law of conservation of energy states that
A. energy cannot be created and it cannot change form.
B. energy can be created and can be destroyed.
C. energy cannot change form and it cannot be destroyed.
D. energy cannot be created and it cannot be destroyed.
D. energy cannot be created and it cannot be destroyed.