Form Four - Miscellaneous Quiz 1

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🕰️ Duration: 15 minutes

❓ Number of Questions: 2

⏰ Time Remaining: 15:00

⌛ Progress: 0 / 2

While engaged in a physics experiment, Msaki accidentally spills a chemical on his leg, resulting in skin irritation. What immediate course of action should be taking to address this situation?

A. Schedule a visit to the school nurse after the class B. Plan to see a doctor after school hours C. Notify the lab instructor immediately D. Administer first aid independently E. Any time chemicals, heat or glassware are used

A student is conducting a physics experiment in the lab and needs to measure the length of a metal rod accurately. They use a meter rule and record the measurement. What is the measurement shown on the meter rule

A. 0.7m B. 0.76m C. 0.761m D. 0.7614m E. 7.614m

Why is it more challenging to walk on a wet and slippery floor compared to a dry one?

A. Wet floors have less friction B. Wet floors have more friction C. It’s equally easy on both wet and dry floors D. Wet floors increase air resistance E. To increase friction and prevent skidding

In her birthday party, Ms.kim is handed two helium balloons. They share the same mass, but one is notably larger than the other. Which of the balloons will rise more rapidly into the sky, and what’s the expectation for this phenomenon?

A. The larger one, because it has a greater buoyant force B. The smaller one, because it has a greater buoyant force C. The smaller one, because it has a higher density D. The larger one, because it has a higher density E. The larger one, because it has a smaller buoyant force.

While Robert is playing with her glitter in a jar of water, he observes the glitter particles moving randomly. he recalls learning about Brownian motion in his physics class. What does Brownian motion provide evidence of the existence of?

A. Friction B. Kinetic energy C. Atoms D. Gravity E. Vector

Angela is lifting a book on a shelf, if there is no energy loss during the process, what happens to the gravitational potential energy (G.P.E) Of the book?

A. Decrease in Kinetic energy B. Grain in kinetic energy C. Constant kinetic energy D. Zero kinetic energy E. G.P.E changes to K.E

What phenomenon is minimized in an astronomical telescope with a larger objective lens or mirror, leading to better image quality?

A. Chromatic Aberration B. Astigmatism C. Coma D. Diffraction E. Refraction

A mechanic was using a hand-cranked generator to provide power for her tools she had a large iron nail in her toolbox, and she noticed that after using the generator for a while, the nail had became magnetized. What process led to the magnetization of the nail?

A. Industrial magnetization B. Electrical resistance C. Thermal expansion D. Demagnetization E. Magnetic shielding

A gardener uses a wrench to turn a stubborn bolt on a lawnmower blade. The gardener exerts of force at the end of the wrench creating a turning effect. What physical quantity is associated with this turning effect?

A. Velocity B. Acceleration C. Moment of force D. Inertia E. Torque

In a bakery, a baker uses a rolling pin to flatten the dough for making delicious pastries. The rolling pin is an example of a

A. Lever B. Pulley C. Inclined plane D. Wheel and axle E. Wedge