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A Scientific Mixture Trivia Quiz

Here's a mixed science quiz. The questions are not easy and not hard. Try to get all right and be a scientist!

A multiple-choice quiz by me07. Estimated time: 4 mins.

Author
me07

Time
4 mins

Type
Multiple Choice

Quiz #
90,530

Updated
Dec 03 21

# Qns
10

Difficulty
Average

Avg Score
6 / 10

Plays
6324

One at a Time - Single Page - Timed Game

Question 1 of 10

1. Which of these is used by scientists to watch dangerous chemical reactions in laboratories? Hint

kaleidoscopes

periscopes

microscopes

telescopes

NEXT>

Question 2 of 10

2. Is the pulley a simple machine?

Yes

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Question 3 of 10

3. What does a pyrometer measure? Hint

Nothing

low temperatures

high temperatures

It measures the heat needed to melt ice

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Question 4 of 10

4. What is loudness measured in?

Answer: (One Word)

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Question 5 of 10

5. Where in your body would you find the cochlea?

Answer: (One Word)

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Question 6 of 10

6. Lemon juice has a pH of around: Hint

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Question 7 of 10

7. Which of these has the highest melting point? Hint

Gold

Stainless Steel

Salt

Diamond

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Question 8 of 10

8. What does hydrogen mean? Hint

Artificial

Water forming

Bringer of light

Hard to get

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Question 9 of 10

9. Brass is made up of: Hint

copper and zinc

tin and lead

copper and tin

Iron, chromium, nickel and carbon

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Question 10 of 10

10. Which of these is pressure measured in? Hint

pascal

newton

joule

mole

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Quiz Answer Key and Fun Facts

1. Which of these is used by scientists to watch dangerous chemical reactions in laboratories?

Answer: periscopes

A kaleidoscope is an instrument for producing symmetrical patterns. Periscopes are also used in submarines.

2. Is the pulley a simple machine?

Answer: Yes

Yes, it is a type of simple machine. Other simple machines are the screw, wheel and axle, inclined plane, lever and gears.

3. What does a pyrometer measure?

Answer: high temperatures

When a pyrometer is pointed at a hot, glowing object, an electric current heats a filament until the colour matches that of the object. Measuring that current shows the temperature.

4. What is loudness measured in?

Answer: decibels

The frequency of sound waves is measured in hertz.

5. Where in your body would you find the cochlea?

Answer: Ear

The cochlea is found in the inner ear. It helps you to balance as well as hear.

6. Lemon juice has a pH of around:

Answer: 3

Digestive juices have a pH of 1, car battery acid has a pH of 2, and vinegar has a pH of around 2 or 3.

7. Which of these has the highest melting point?

Answer: Diamond

A diamond's melting point is 3550 degrees Celsius!

8. What does hydrogen mean?

Answer: Water forming

Its Greek word is "hydro genes".

9. Brass is made up of:

Answer: copper and zinc

Brass is an alloy. It is made up of 70% copper and 30% zinc and is easy to shape.

10. Which of these is pressure measured in?

Answer: pascal

1 pascal is equal to 1 force of 1 newton applied to 1 area of 1 square metre!

Source: Author me07

This quiz was reviewed by FunTrivia editor crisw before going online.
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