If we drop a ball of lead and another one of wool of the same dimensions and at same time from and 100 metre high building, the ball which hits the ground first is: a) The lead ball b) The wool ball c) Both at the same time

Select one of the following to determine the proper procedure for shutting down your computer. a) It's best to never turn off your computer. b) Just unplug your computer. c) Go to the Start menu and click "Shut Down"

Can frogs live in salt water? a) Yes b) No c) Only in tropical seas

This vitamin is excreted by humans in urine. What is it? a) B12 b) C c) D

Which bone is the longest bone in the human body? a) Femur b) Humerus c) Tibia

Three of the most common states of matter are solids, liquids, and gases. A liquid has: a) defined volume, but not a defined shape b) definite shape, but no defined volume c) definite volume and shape

In a solution of saltwater (a saline solution), salt is the: a) Solute b) Solvent c) Colloid

What is the largest organ of the human body? a) The skin b) The liver c) The brain

Is an iguana an omnivorous, carnivorous or herbivorous reptile? a) carnivorous b) herbivorous c) omnivorous

What is the temperature at which a liquid turns into a gas? a) Matter point b) Condensation point c) Boiling point

What would happen if the earth's atmosphere vanished? The weight of things a) would decrease b) would be zero c) would increase d) wouldn’t change

The study of respiration shows: a) Green plants and animals always consume oxygen and release CO2 day and night. b) Green plants only breath at night. c) Green plants breathe during the day taking carbon dioxide and releasing CO2

Which famous scientist introduced the idea of natural selection? a) Charles Darwin b) Sigmund Freud c) Thomas Henry Huxley