SCIENCE: Understanding Force + Motion + Gravity
THIS IS A QUIZ - IT IS NOT A TEST

Please think before answering each question, then skip any you don't understand.

On completing the quiz, you will receive an email (If you have supplied a
group), to find the correct solution to each incorrect or missing answer.

http://wps.flipster.org/doku.php?id=flipsters:forces:quiz:home

If you have any questions leave a wiki comment, ask classmates or a teacher.

Have fun :)

Adapted from: Science Education Assessment Resources (SEAR)
P1.0
Which of the following describes you best:
P1.1
P1.2
P1.3
P1.4
Which year or class / year group?
Q1. Two EQUAL WEIGHTS are attached to each end of a rope on a PULLEY. What will happen when the boy & the girl both let go of the weights at the same time:
Q1.1
What will happen to the blocks when they are let go?
Q1.2
Explain why this will happen
Q1.3
How confident are you on a scale of 1 to 5 that your answer is correct (1=confused and 5=certain)
Confused
Certain
Q2. A golfer hits a ball - After the golfer has HIT the ball and ignoring any wind and air resistance, what FORCES are acting on the ball AT EACH POINT (A, B, C) as it flies through the air (along the dotted line):
Q2.1
From this list, select the main force(s) that act on the ball at point A:
Q2.2
From this list, select the main force(s) that act on the ball at point B:
Q2.3
From this list, select the main force(s) that act on the ball at point C:
Q2.4
How confident are you on a scale of 1 to 5 that your answer is correct (1=confused and 5=certain)
Confused
Certain
Q3. Sam rolled his toy car down a ramp like this:
Sam changed the NUMBER OF BOOKS under the end of the ramp to change the height and angle of the ramp. The car travelled DIFFERENT DISTANCES. He measured these distances and wrote them down: The number of books and the distance rolled by the car was entered in this table:
Q3.1
When Sam used more books, what happened to the distance the car rolled?
Q3.2
Explain why this happened:
Q3.3
How confident are you on a scale of 1 to 5 that your answer is correct (1=confused and 5=certain)
Confused
Certain
Q4. Sam rolled two toy cars down a ramp onto a smooth, polished wooden floor: The BLUE car was TWICE AS HEAVY as the RED car. How far did the BLUE car travel?
Q4.1
The BLUE car weighed twice as much as the RED car. How far did the cars travel compared with each other:
Q4.2
Why do you think this answer is correct?
Q4.3
How confident are you on a scale of 1 to 5 that your answer is correct (1=confused and 5=certain)
Confused
Certain
Q5. Sam noticed that when the ramp was placed on a CARPET or a POLISHED WOODEN floor the car rolled DIFFERENT DISTANCES. He measured how far the car went in each case & wrote the numbers down, but he forgot which measurement was for the carpet and which was for the polished floor. The measurements he wrote down were 31cm and 22cm
Q5.1
How many centimetres did the car roll on the carpet?
Q5.2
How many centimetres did the car roll on the polished wooden floor?
Q5.3
The carpet affected the distance that the car rolled because the carpet had:
Q5.4
How confident are you on a scale of 1 to 5 that your answer is correct (1=confused and 5=certain)
Confused
Certain
Q5.5
Why did Sam roll the cars down the ramp instead of just giving the car a push by hand?:
Q5.6
How confident are you on a scale of 1 to 5 that your answer is correct (1=confused and 5=certain)
Confused
Certain
Q6. Reminder: FORCE is a push or a pull. Sam throws a ball into the air. As it travels through the air, what is the DIRECTION OF FORCE ON THE BALL as it passes point A, point B and point C (as shown on the dotted line):
Q6.1
Describe the forces that act on the ball at point A, (on the dotted line), after Sam throws the ball up into the air:
Q6.2
Describe the forces that act on the ball at point B (on the dotted line), after Sam throws the ball up into the air:
Q6.3
Describe the forces that act on the ball at point C (on the dotted line), after Sam throws the ball up into the air:
Q6.4
How confident are you on a scale of 1 to 5 that your answer is correct (1=confused and 5=certain)
Confused
Certain
Q7. Two men (A, B) are pushing IDENTICAL types of cars up a hill. The velocity, wind drag and friction are IDENTICAL for each car, which man is using the MOST FORCE:
Q7.1
Which man is using the most force to push their car up the slope?:
Q7.2
Q7.3
How confident are you on a scale of 1 to 5 that your answer is correct (1=confused and 5=certain)
Confused
Certain
Q8. Diagrams (a, b, c, d, e, f) are how six different children drew what they thought would happen if a rock was dropped into a hole through the Earth: Ignoring heat and air pressure, which drawing SHOWS BEST what would really happen to the rock?
Q8.1
Which drawing is closest to showing what would really happen to the rock?
Q8.2
Q8.3
How confident are you on a scale of 1 to 5 that your answer is correct (1=confused and 5=certain)
Confused
Certain
Q9.
Q9.1
Do you think that the spanner will: float, fall or go up?
Q9.2
Q9.3
How confident are you on a scale of 1 to 5 that your answer is correct (1=confused and 5=certain)
Confused
Certain
Q10. In the solar system below, there is a sun and three planets (a, b, c). The three planets are identical except they have different sizes and are different distances from the sun. An identical rocket ship is ready to leave each planet:
Q10.1
Which planet would be the easiest one for the rocket ship to take off from?
Q10.2
What is the reason you selected that answer?
Q10.3
How confident are you on a scale of 1 to 5 that your answer is correct (1=confused and 5=certain)
Confused
Certain
Q11. Five children drew how they thought about PEOPLE STANDING on the Earth and RAIN FALLING on the Earth. Which drawing SHOWS BEST what it is really like:
Q11.1
Which drawing is closest to showing what it really looks like?
Q11.2
Why do you think this is the closest to how things really are?
Q11.3
How confident are you on a scale of 1 to 5 that your answer is correct (1=confused and 5=certain)
Confused
Certain
Q15. Reminder: A force is a push or a pull. A bicycle brake uses a lever and cable to cause two rubber blocks to clamp onto the side of the wheel. The bicycle rider applies a force on the brake lever to make the system work.
Q15.1
When the rider applies the brake, what type of force acts on the brake LEVER ?:
Q15.2
When the rider applies the brake, what type of force acts on the brake CABLE?
Q15.3
When the rider applies the brake, what type of force acts on the brake RUBBER BLOCKS?
Q15.4
The tyre in the close-up diagram has a chunky tread. Some bicycle tyres have almost no tread. Chunky tread on a bicycle tyre would be most useful:
Q15.5
Jack put oil on the joints of his bicycle brakes. Some of the oil dripped onto the rubber brake blocks. Then he went for a ride . He used the brakes, but the wheel didn’t stop turning as quickly as normal. Which of the following explains this best?
Q15.6
Have you ever looked after or repaired a bicycle?
Q15.7
How confident are you on a scale of 1 to 5 that your answer is correct (1=confused and 5=certain)
Confused
Certain
Q16. A group of students set up three separate tests for a remote-controlled toy car. For each test, the car has to travel over the same distance on three different surfaces: BITUMEN, ICE & WET GRASS. The car approaches each test surface at a fixed, steady speed. When the car reaches the start of the test surface, the students push the remote control speed lever to maximum, making the car drive wheels spin very fast.
Q16.1
When set to maximum speed, the car wheels will spin the least on:
Q16.2
Which statement is correct?
Q16.3
Which statement is correct?
Q16.4
Have you often played with one or more remote controlled toy cars?
Q16.5
How confident are you on a scale of 1 to 5 that your answer is correct (1=confused and 5=certain)
Confused
Certain
Q17. Sally moves a book across a table top at a constant, steady speed. Sally only pushes the book side-ways using her thumbs (she does not push down on the top of the book)
Q17.1
The horizontal force required to keep the book sliding across the table at a constant velocity is:
Q17.2
How confident are you on a scale of 1 to 5 that your answer is correct (1=confused and 5=certain)
Confused
Certain
Q18. Boris and Doris are chicken dance partners. Looking only at the photograph, which chicken do you think has the greater mass:
Q18.1
The chicken with the greater mass is:
Q18.2
How confident are you on a scale of 1 to 5 that your answer is correct (1=confused and 5=certain)
Confused
Certain
Q20.1
Where do you think you have learned most about the answers to questions in this quiz:
Q25.1
This is the last question in the quiz. Do you have any comments about how this quiz could be improved?