What is the largest organ in a human body?
skin
What is the only metal that is liquid at room temperature?
Mercury
What is the name of the force that pulls objects towards the center of the Earth?
Gravity
Which vitamin is produced when the skin is exposed to sunlight?
Vitamin D
How many bones are there in an adult human body?
206
What is the chemical name of baking soda?
Sodium hydrogen carbonate
What type of energy is associated with objects in motion?
Kinetic Energy
What is the term for animals that are active during the night?
Nocturnal
What is the name given to the Organisms that produce their own food?
Autotrophs
What is the name of the element, with symbol 'Sb', that is used in flame retardants and semiconductors and is derived from the Latin ‘stibium’?
antimony
What type of Electromagnetic Radiation do we sense as Heat?
Infra-red
What is the name of the process by which plants release water vapor into the atmosphere?
Transpiration
What is the most abundant protein in the human body?
Collagen
Which orbital does the last electron occupy for the Mn2+ ion (25Mn)
d orbital
Which type of waves cannot be polarised?
sound waves
What is the only planet that spins clockwise on its axis?
Venus
Other than the Brain, what major organ makes up the central nervous system?
Spinal cord
What is the color change when aqueous chloride ions are added to the solution of [Cu(H2O)6]2+ complex? (state initial and final colors)
from pale blue to yellow
What is the speed of light in free space equal to? Give the units.
3.00x108 m s-1
At which temperature are Celsius and Fahrenheit equal?
-40