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Quiz about A Scientific Mixture
Quiz about A Scientific Mixture

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.
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Author
me07
Time
4 mins
Type
Multiple Choice
Quiz #
90,530
Updated
Dec 03 21
# Qns
10
Difficulty
Average
Avg Score
6 / 10
Plays
6328
Last 3 plays: mickeyp (5/10), woodstockwanda (10/10), Jane57 (10/10).
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Question 1 of 10
1. Which of these is used by scientists to watch dangerous chemical reactions in laboratories? Hint


Question 2 of 10
2. Is the pulley a simple machine?


Question 3 of 10
3. What does a pyrometer measure? Hint


Question 4 of 10
4. What is loudness measured in?

Answer: (One Word)
Question 5 of 10
5. Where in your body would you find the cochlea?

Answer: (One Word)
Question 6 of 10
6. Lemon juice has a pH of around: Hint


Question 7 of 10
7. Which of these has the highest melting point? Hint


Question 8 of 10
8. What does hydrogen mean? Hint


Question 9 of 10
9. Brass is made up of: Hint


Question 10 of 10
10. Which of these is pressure measured in? Hint



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Most Recent Scores
May 11 2024 : mickeyp: 5/10
May 08 2024 : woodstockwanda: 10/10
May 05 2024 : Jane57: 10/10
Apr 20 2024 : Guest 184: 5/10

Score Distribution

quiz
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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