Science Practice Quiz 252

Q1.At what age does adolescence typically begin?

A. Around the age of 9 B. Around the age of 11 C. Around the age of 13 D. Around the age of 15

Q2.Why do adolescents sometimes have arms and legs that appear oversized?

A. All parts of the body grow at the same rate B. Arms and legs grow faster than the torso C. All parts of the body do not grow at the same rate D. Growth is uniform across the body

Q3.What condition must be met for a force to exist?

A. At least two objects must interact B. A single object must be moving C. The objects must be of the same size D. The objects must be at rest

Q4.What term is used for a straw that has been rubbed with a sheet of paper?

A. charged body B. neutral body C. magnetized body D. polarized body

Q5.In Activity 8.10, where are the four holes to be drilled in the plastic bottle?

A. Near the bottom of the bottle at the same height from the bottom B. Near the top of the bottle at different heights C. Randomly around the bottle at any height D. In the bottle’s cap

Q6.Which class is mentioned as having learned about how objects move?

A. Class V B. Class VI C. Class VII D. Class VIII

Q7.What happens to the net force on an object when two equal forces act in opposite directions?

A. The net force on the object becomes zero B. The net force doubles in magnitude C. The net force changes direction randomly D. The net force equals the sum of the two forces

Q8.How does the direction of friction compare to the direction of the applied force?

A. Friction acts in the same direction as the applied force B. Friction acts opposite to the direction of the applied force C. Friction acts perpendicular to the applied force D. Friction direction is independent of the applied force

Q9.What is the resistance to motion called when one body rolls over the surface of another body?

A. rolling friction B. sliding friction C. static friction D. air resistance

Q10.Why does a vehicle slow down when brakes are applied?

A. Due to the force of gravity B. Due to the force of friction C. Due to the force of magnetism D. Due to the force of electricity

Sign in with Email

Science Practice Quiz 252