Tamara Dominas
15 science questions to test your knowledge. Are you ready to take this quiz and beat the average score? Really? Then… Let’s play! I have a question for you: is it true that the intensity of sound refers to the volume with which we perceive it in our ears? If you know, don’t think so much about answering because you might get a point.
15 science questions to test your knowledge. The average person gets 9/15
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- Question of
What is the basic functionality of the pulleys?
- To reduce the friction force.
- To reduce the pressure on a body.
- To lift weights.
- Question of
The intensity of the sound refers to the volume with which we perceive it in the ear.
- True
- False
- Question of
The scientist Hans Oersted intuited the relationship between electricity and magnetism.
- True
- False
- Question of
What instrument did Hans Oersted use for his famous experiment?
- A clock.
- A compass.
- Question of
During this discovery, when an electric current passed near a compass the needle moved.
- True.
- False, the electric current stopped.
- Question of
Which instrument is an example of a third class lever?
- Screw
- Nutcracker
- Tweezers
- Question of
When the applied force is between the point of support and the resistance we are talking about…
- A second class lever.
- A third class lever.
- Question of
What are the names of objects that let light through, but do not allow objects to be seen clearly?
- Refracting
- Translucent
- Opaque
- Question of
Fluid machines get their energy from water or wind.
- True.
- False, only from water.
- Question of
Which of the following examples of a simple machine is not based on the properties of an inclined plane?
- Ramp
- Screw
- Swing
- Question of
The Earth works like a magnet, because inside it there are metals in motion, among which two stand out, select them.
- Nickel and mercury.
- Iron and nickel.
- Cobalt and copper.
- Question of
Select the characteristic that does NOT correspond to noise pollution.
- It is a very cheap pollution to produce.
- It does not generate waste in the environment.
- The damage is temporary and ends when the noise stops.
- Question of
When the resistance is between the point of support and the applied force we talk about…
- A second class lever.
- A third class lever.
- A fifth class lever.
- Question of
Select the example of a second class lever.
- Screw
- Nutcracker
- Hammer
- Question of
More than 2000 years ago, what was the first iron ore known to man as a natural magnet?
- Magnetite
- Magnesite
- Pyrite
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