Grade 7 MYP Science Summative Assessment (Criterion A)
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Question 1
1.
What is the velocity of a rocket that goes 700 km north in 25 seconds?
[2 marks]
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Question 2
2.
How much time does it take for a bird flying at a speed of 45 kilometers per hour to travel a distance of 1,800 kilometers?
[2 marks]
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Question 3
3.
A driver starts his parked car and within 5 seconds reaches a speed of 60 km/h, as he travels east. What is his acceleration?
[2 marks]
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Question 4
4.
A cyclist accelerates from 0 m/s to 8 m/s in 3 seconds. What is his acceleration ? Is this acceleration higher than that of a car which accelerates from 0 to 30 m/s in 8 seconds?
[2 marks]
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Question 5
5.
If a Ferrari, with an initial velocity of 10 m/s, accelerates at a rate of 50 m/s/s for 3 seconds, what will its final velocity be?
[2 marks]
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Question 6
6.
True or False:
Your mass would be the same on the Moon as it is on the Earth. Explain your answer in complete sentences.
[2 marks]
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Question 7
7.
Label the following image/description below as being examples of 1st, 2nd, or 3rd law.
Then EXPLAIN your answer!
[2 marks]
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Question 8
8.
If a 60 kg person on a 15 kg sled is pushed with a force of 300 N, what will be person’s acceleration?
[2 marks]
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Question 9
9.
Answer the question as per the instruction given in the picture below.
[2 marks]
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Question 10
10.
How are gravity and weight related?
[2 marks]
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Question 11
11.
Name the forces: [3 marks]
i) A force which pulls you down………………………………………..
ii) This force helps to hold things on fridge doors………………………………..
iii) This force rubs things away……………………..
iv) This force helps a ship float……………………………….
v) This type of force needs to touch something to affect it……………………..
vi) A force that slows down things moving through air………………………………….
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Question 12
12.
Fill in the blanks. [Choose from the given words: heat, reduces, motion, less, nature]
[2 marks]
(a) Friction opposes the ________between the surfaces in contact with each other.
(b) Friction depends on the _________of surfaces.
(c) Friction produces _________.
(d) Sprinkling of powder on the carom board ________friction.
(e) Sliding friction is ________than the static friction.