SciQ (Science Quiz)- Can You Crack It?

Question 1: The law of large numbers implies that, as sample size increases,

• The sample mean approaches the population mean
• The sample mean becomes more variable
• The variance increases
• Correlation increases

Question 2: A Markov process is characterized by:

• Memoryless property
• Cyclicity
• Deterministic transitions
• Multi-layered neural connections

Question 3: During an El Niño event:

• Sea surface temperatures in the eastern Pacific decrease
• Trade winds strengthen
• Upwelling off South America is suppressed
• Rainfall in Australia increases

Question 4: The half-life of a radioactive substance determines:

• How long before all atoms decay
• The time required for half the original atoms to decay
• The decay rate per second
• The energy released per decay

Question 5: The pH of rainwater is slightly acidic because of:

• Sulfur emissions only
• CO2 dissolves to form carbonic acid
• Industrial acid rain
• Dissolved ozone

Question 6: Which kingdom does a multicellular, eukaryotic, photosynthetic organism belong to?

• Animalia
• Plantae
• Fungi
• Protista

Question 7: The process of solid changing directly into vapor is called:

• Melting
• Sublimation
• Evaporation
• Condensation

Question 8: Who formulated the laws of motion and universal gravitation?

• Albert Einstein
• Galileo Galilei
• Isaac Newton
• James Watt

Question 9: Which of the following is considered non-volatile memory?

• RAM
• Cache memory
• ROM
• Registers

Question 10: Which company is known for developing the reusable Falcon 9 rocket?

• Blue Origin
• SpaceX
• Boeing
• NASA