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A1A1

What happens when two identical forces act on an object in opposite directions?

A. The object moves in the direction of the first force applied.

B. The object moves in the direction of the second force applied.

C. The object accelerates.

D. The object does not move.

Answer A1Answer A1

D. D. The object does not move.

People often use simple machines to assist them in completing tasks. Someone would use a simple machine to:

A. make work harder

B. reduce friction

C. increase work

D. make work easier

B1B1

Answer B1Answer B1

D. make work easier

C1C1 Which rollercoaster track should Andrew

choose if he wants the roller coaster car to have the most potential energy?

A

D

C

B

Answer C1Answer C1

A

A2A2

The tendency of an object to resist changes in motion is called:

A. inertia

B. force

C. acceleration

D. work

Answer A2Answer A2

A. inertia

B2B2 A student slides a book across a desk by giving it

an initial push. Which of the following is the MOST important reason that the book eventually comes to a stop instead of continuing to slide?

A. The initial force was too weak to keep the book in motion.

B. The mass of the book was not enough to keep the book in motion.

C. The force that occurs when the book rubs against the desk stops the book.

D. The magnetic force from the Earth stops the book.

Answer B2Answer B2

C. The force that occurs when the book rubs against the desk stops the book.

C2C2

The type of energy that objects in motion possess is called -

A. potential energy

B. kinetic energy

C. electrical energy

D. chemical energy

Answer C2Answer C2

B. Kinetic EnergyB. Kinetic Energy

A3A3

What does this instrument measure?

A. the force of friction on the object

B. the mass of the object

C. the force of gravity on the object

D. the volume of the object

Answer A3Answer A3

C. the force of gravity on the object

B3B3

At what point would the Speedy Demon roller coaster car have the most kinetic energy?

A.A. 33

B.B. 44

C.C. 55

D.D. 66

Answer B3Answer B3

C. 5C. 5

C3C3

Compare the acceleration of a large truck to the acceleration of a small car if the same force were applied to each.

A. car will accelerate less

B. they will accelerate at same rate

C. truck will accelerate less

D. truck will accelerate more

Answer C3Answer C3

B. B. The truck will accelerate slower

A4A4

When Joe jumps to the dock from his small boat, the boat dips into the water. This is an example of –

A. The Universal Law of Gravitation

B.B. Newton's 2nd law

C. Newton's 1st law

D. Newton's 3rd law

Answer A4Answer A4

D. Newton's 3rd law

B4B4

The unit of force is ____.

A. m/s

B. the hertz

C. the joule

D. the Newton

Answer B4Answer B4

D. the Newton

C4C4

Every force has a(n) ____ force.

A. reaction

B. long-range

C. opposite

D. accelerating

Answer C4Answer C4

C. opposite

A5A5

You throw a ball into the air. As the ball leaves your hand, the force(s) acting on it is/are ____.

A. gravity

B. your hand

C. balanced

D. gravity and your hand

Answer A5Answer A5

D. gravity and your hand

B5B5

What happens when two identical forces act on a object in opposite directions?

A. The object moves in the direction of the first force applied

B. The object moves in the direction of the second force applied.

C. The object accelerates.

D. The object does not move.

Answer B5Answer B5

D. The object does not move

C5C5

Who invented Battle Ship?Who invented Battle Ship?

A.A. Clifford Von WicklerClifford Von Wickler

B.B. Some old guySome old guy

C.C. That dude off TVThat dude off TV

D.D. A really bored science teacherA really bored science teacher

Answer C5Answer C5

A.A. Clifford Von WicklerClifford Von Wickler

A1A1

When a car suddenly stops, the objects in the back seat are thrown forward. This is due to:

A. Newton’s 2nd Law of Motion

B. The Law of Gravity

C. Newton’s 3rd Law of Motion

D. Newton’s 1st Law of Motion

Answer to A1Answer to A1

D. Newton’s 1st Law of Motion

B1B1A gunpowder explosion creates hot gases

which expand outward allowing a rifle to push forward on a bullet. Consistent with which of Newton’s Laws does the bullet push backwards on the rifle?

A. 1st LawB. 2nd LawC. 3rd lawD. None of the above. The bullet does not

push on the rifle.

Answer to B1Answer to B1

B. 3B. 3rdrd Law Law

C1C1

What are the classes of levers?

A. 1, 2, 3

B. A, B, C

C. 1, 2, 3, 4

D. Long, Short, and Medium Length

Answer to C1Answer to C1

A. 1, 2, 3A. 1, 2, 3

A2A2

A point on which a lever balances is:

A. pyramid

B. triangle

C. fulcrum

D. point

Answer to A2Answer to A2

C. FulcrumC. Fulcrum

B2B2

What simple machines make up an axe?

A. a lever and a wedge

B. two levers

C. a wedge and a pulley

D. a lever and a screw

Answer to B2Answer to B2

A. a lever and a wedge

C2C2

What decreases friction?

A. rough surfaces

B. smooth surfaces

C. more speed

D. more surface area

Answer to C2Answer to C2

B. smooth surfaces

A3A3

What is an example of a simple machine?

A. baseball bats

B. scissors

C. Electric can opener

D. car

Answer to A3Answer to A3

A.baseball bats

B3B3

What does a mechanical advantage of 4 on a lever tell us?

A. It is a class four lever.

B. There are four levers at work.

C. The lever works four times as hard.

D. We can lift four times our weight with the lever.

Answer to B3Answer to B3

D. We can lift four times our weight with the lever.

C3C3

What is a simple machine?

A. A device that does work.

B. A machine that does not require electricity.

C. A machine that makes work easier.

D. All of the above.

Answer to A3Answer to A3

D. All of the above.

A4A4

An inclined plane is a:

A. flat surface, set at an angle

B. plane that flies in the mountains

C. a math formula

D. a rough surface that lies flat

Answer to A4Answer to A4

A. flat surface, set at an angle

B4B4

Using a force of 50N a teacher pushed a computer cart across to another classroom 10 m away. How much work did the teacher do?

A. 500N

B. 50N

C. 50J

D. 500J

Answer to B4Answer to B4

D. 500JD. 500J

C4C4

Read the information above. The ability of Mrs. Mitchell’s plant to grow upright is a growth response called ____.

A. gravitropism

B. chemotropism

C. hydrotropism

D. phototropism

Answer to C4Answer to C4

A.gravitropism

A5A5 John has one recessive allele for blue

eyes (b) and one dominant allele for brown eyes (B). Amy also has one recessive allele for blue eyes and one dominant allele for brown eyes. What phenotype is an offspring of John and Amy most likely to express?

A. BbB. BBC. Blue eyesD. Brown eyes

Answer to A5Answer to A5

D. Brown eyes

B5B5

A cook touches a hot stove and quickly moves his hand away. What are the two primary body systems that work together to produce this response?

A. Integumentary and endocrine systems

B. Muscular and respiratory systems

C. Nervous and muscular systems

D. Skeletal and nervous systems

Answer to B5Answer to B5

C. Nervous and muscular systems

C5C5

How many ships are in a game of How many ships are in a game of battleship?battleship?

A.A. I wouldn’t know I sunk them I wouldn’t know I sunk them already.already.

B.B. 1717

C.C. 500500

D.D. There are boats in Battleship?There are boats in Battleship?

Answer to C5Answer to C5

B. 17B. 17