SCIENCE CLUB 24

What is the main byproduct of photosynthesis?

• Oxygen

• Carbon Dioxide

• Water

• Glucose

Which law of thermodynamics states that the total entropy of an isolated system can never decrease over time?*

• ZERO Th Law of Thermodynamics

• First Law of Thermodynamics

  ics

• Second Law of Thermodynamics

• nil

What type of bond involves the sharing of electron pairs between atoms?*

• A) Ionic bond

• B) Covalent bond

• Metallic bond

• non

In physics, what is the term for the rate of change of velocity?*

• A) Speed

• B) Acceleration

• - D) Force

• 0

Which vitamin is necessary for the clotting of blood?

• Vitamin A

• B) Vitamin B12

• Vitamin K

• 0

What is the most abundant gas in the Earth's atmosphere?*

• O2

• N2

• S2

• 0

Which layer of the Earth lies directly below the crust?*

• Core

• Mantle

• Athenosphere

• 0

What type of astronomical object is the Sun primarily classified as?*

• Main Sequence Star

• Red Giant

• Neutron Star

• 0

Which of these is not a type of radioactive decay?*

• A) Alpha decay

• B) Beta decay

• Sigma decay

• 0

Which element has the highest electrical conductivity?*

• Cu

• Ag

• AU

• NB