Which of the following elements has the highest atomic number?
Anonymous Quiz
17%
Gold
0%
Helium
17%
Neon
67%
Uranium
👍3
Which of the following substances expands when it solidifies, unlike most materials?
Anonymous Quiz
40%
Mercury
0%
Copper
0%
Iron
60%
Water
❤3
Who invented the Tesla coil, which is used in radio technology and for creating high-voltage, low-current, high-frequency alternating-current electricity?
Anonymous Quiz
0%
George Westinghouse
100%
Nikola Tesla
0%
Guglielmo Marconi
0%
Thomas Edison
What is the origin of the name 'quark' in physics?
Anonymous Quiz
75%
From James Joyce's 'Finnegans Wake'
25%
Inspired by a Scottish dialect word
0%
Derived from a Latin word for small
0%
Named after a bird call
Which of the following fabrics can resist fire naturally without chemical treatment?
Anonymous Quiz
0%
Cotton
60%
Acrylic
40%
Wool
0%
Polyester
How did the discovery of penicillin inadvertently lead to a global health issue?
Anonymous Quiz
33%
It triggered antibiotic resistance
67%
It caused allergic reactions
0%
It increased medical costs
0%
It led to the pandemic
Which country is home to Salar de Uyuni, the world's largest salt flat?
Anonymous Quiz
0%
Chile
50%
Argentina
50%
Bolivia
0%
Peru
What is the primary method by which a Stirling engine produces mechanical energy?
Anonymous Quiz
0%
Direct solar energy conversion
0%
Electromagnetic induction
100%
Heating and cooling of a working gas
0%
Combustion inside a chamber
Which of the following substances is considered a metal but is a liquid at room temperature?
Anonymous Quiz
20%
Bromine
40%
Iodine
40%
Mercury
0%
Argon
What is the origin of the name 'quark' in particle physics?
Anonymous Quiz
0%
A Latin term referring to 'milk curd'
60%
A nonsense word from James Joyce's 'Finnegans Wake'
0%
An ancient Greek word meaning 'small'
40%
A Middle English term for 'particle'
Which of the following elements is the primary component of the Earth's core?
Anonymous Quiz
50%
Iron
17%
Aluminum
33%
Silicon
0%
Oxygen
What is the hottest planet in our solar system, despite not being the closest to the Sun?
Anonymous Quiz
33%
Mercury
67%
Venus
0%
Mars
0%
Jupiter
How long does it take sunlight to reach Earth from the Sun?
Anonymous Quiz
100%
About 8 minutes and 20 seconds
0%
Around 6 minutes and 50 seconds
0%
Approximately 7 minutes
0%
About 9 minutes and 10 seconds
Which planet has a longer orbital period around the Sun, Venus or Mars?
Anonymous Quiz
0%
Venus
0%
Both have the same period
100%
Mars
0%
Neither, both are shorter than Earth's
What is the primary function of mitochondria in eukaryotic cells?
Anonymous Quiz
20%
Help with cell division
0%
Synthesize proteins
80%
Produce energy in the form of ATP
0%
Store genetic information
Which international agreement aims to regulate the trade of endangered species to ensure their survival?
Anonymous Quiz
100%
Convention on International Trade in Endangered Species (CITES)
0%
Montreal Protocol
0%
Kyoto Protocol
0%
Paris Agreement
Which element is more abundant in the Earth's crust, silicon or aluminum?
Anonymous Quiz
60%
Aluminum
40%
Silicon
0%
Both are equal
0%
Neither, it's iron
Which metal is liquid at room temperature besides mercury, commonly defying expectations?
Anonymous Quiz
0%
Iron
60%
Lead
20%
Barium
20%
Gallium
What is the primary cause for the increasing acidity of oceans worldwide?
Anonymous Quiz
0%
Increase in ocean surface temperatures
100%
Absorption of carbon dioxide from the atmosphere
0%
Runoff of pesticides from agricultural lands
0%
Decomposition of organic matter in ocean sediments
Which international agreement focuses on climate change and aims to limit global warming to below 2°C?
Anonymous Quiz
0%
Kyoto Protocol
50%
Stockholm Convention
0%
Montreal Protocol
50%
Paris Agreement