1.5 P2 assignment
Authored by Ustadha Marwa Al-Emam
Science
3rd Grade
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5 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 2 pts
Study the diagram. Which forces do maglev trains use to levitate?
Choose all correct answers.
repulsion
attraction
friction
gravity
magnetism
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Most modern passenger trains have metal wheels that roll on metal tracks. What is the main problem that occurs because of that?
There is very little friction between the metal wheels and the metal tracks, which can cause the train to slip or skid.
The metal wheels wear out very quickly on metal tracks.
The metal wheels create loud noises that disturb passengers.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Complete the missing words.
Petrus Peregrinus de Maricourt used the magnetism facts to invent his first _________.
compass
telescope
barometer
thermometer
4.
LABELING QUESTION
1 min • 2 pts
Label the diagram:
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What challenges do engineers need to think about when they look for a solution to a problem?
Cost, Time, Material, Limits.
Color, Taste, Smell, Texture.
Height, Weight, Age, Gender.
Speed, Distance, Time, Temperature.
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