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WorksheetsScience Exam Review - 2nd 9 Weeks
Total questions: 51
Worksheet time: 40mins
Bob rolled his tennis ball and softball across his bedroom floor. He noticed that they traveled at different speeds. Jon added his soccer ball and a marble and rolled the four round objects across the floor using the same amount of force. Which object moved the fastest and the furthest?
marble
soccer ball
softball
tennis ball
Jamal is lifting a box of P. E. equipment from the ground. Which force must Jamal overcome to lift the box?
energy
friction
mass
gravity
What happens to a golf ball after it is hit into the air?
mass increases
friction increases
gravity pulls on it
matter changes state
A slingshot that has been pulled back, but has not been let go.
potential
kinetic
A sled is moving quickly down the hill.
potential
kinetic
Which is not an example of a chemical change?
decayed leaves
sugar added to flour and baked to make a cake
vinegar mixed with soda
water turned to vapor
Bob is building a tower with a set of plastic blocks. Each plastic block has a mass of 2 g. If the student builds a tower using 10 plastic blocks, what will be the mass of the finished tower?
5
8
12
20
Joe is building a tower with a set of wooden blocks. Each plastic block has a mass of 8g. If he builds a tower using 20 wooden blocks, what will be the mass of the finished tower?
50
80
120
160
What evidence is there if a chemical change occurs?
bubbling
precipitate
color change
temperature change
all of the above
A solid formed when two liquids are combined is called a
bubbling
precipitate
color change
temperature change
Four students (S1, S2, S3, and S4) walk from their school to a football field 500 m away for practice. They start at the same time from the same location. The image shows the position-time graph for the four students. If the students continue to walk at the same speed, what can be concluded from the graph?
Students 2 and 3 will reach the field before Student 1.
Students 3 and 4 will reach the field after Student 2.
Students 1 and 4 will reach the field before Student 3.
Students 2 and 3 will reach the field after Student 4.
Study the table that shows the estimated and actual in-air flight times of a flight from New York, New York, to Charlotte, North Carolina. During the flight, the airplane maintains a constant speed of 500 miles per hour. Which statement best explains why the actual in-air flight time is shorter than the estimated in-air flight time?
The airplane flew at a speed slower than 500 miles per hour.
The airplane traveled a longer route than expected.
The airplane was pushed along by fast-moving winds in the atmosphere.
The airplane was transporting fewer passengers than expected.
A truck is planning to dump a boulder down a cliff. At which point will the boulder be travelling the fastest?
A
B
C
D
A lamp sitting on a table is demonstrating Newton's ___ Law.
1st
2nd
3rd
4th
Newton's 3rd Law states that for ever action there is an equal and opposite ________.
reaction
satisfaction
fraction
transaction
What will be the effect on the boy in the picture if the driver stops quickly?
Because of inertia he will remain in the same position.
He will be pushed back into the car seat.
He will move from one side of the car seat to the other.
He will move forward pressing against the seatbelt.
Which of Newton’s Laws explains a rocket’s movement during launch?
Newton's First Law of Motion
Newton's Second Law of Motion
Newton's Third Law of Motion
Newton's Fourth Law of Motion
Billy pushes his little brother on a sled through the snow. He then tries to push his father on the the same sled. He noticed that it was much harder to push his father. Which law is this an example of?
1st Law
2nd Law
3rd Law
The graph below shows the motion of the runner over time. Based on the information in the graph, which of the following statements best describes the motion of the runner?
The runner's speed was less at 4 seconds than at 2 seconds.
The runner's speed was decreasing for the last 4 seconds.
The runner's speed was increasing for all 10 seconds.
The runner's speed was constant for all 10 seconds
Imagine a box floating in space. The following picture shows all the forces acting on this box. What is the vertical force in this box?
-100N upward
-50N upward
50N upward
100N upward
The diagram below shows the motion of two balls before and after the collided. Which of the following statements best describes the forces that act on the balls when they collide?
Balanced forces act on both balls
Unbalanced forces act on both balls
Balanced forces act on the 5 ball, and unbalanced forces act on the 11 ball.
Unbalanced forces act on the 5 ball, and balanced forces on the 11 ball.
Which graph shows the object is going away from the start at a constant speed?
A
B
C
D
Which graph shows the object moving away from start at a constant speed, BUT moving really slow?
A
B
F
C
