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

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

How many chambers does a human as well as a dog's heart have? a) 2 b) 3 c) 4

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

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

The compound CO2 represents a) Two atoms of carbon and two atoms of oxygen b) One molecule of carbon and two molecules of oxygen c) One atom of carbon and two atoms of oxygen

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"

If we cut the tail of all mice and their offspring and we did this experiment for a lot of generations, a) mice would be born without tail b) the tail of the new generations would be shorter c) the shape of the tail wouldn’t change

Stalagmites grow from a) the ground of a cave towards the ceiling b) the ceiling of a cave towards the ground c) both directions, depending on which hemisphere they are

What is the repeating cycle of precipitation, condensation and evaporation called? a) Water Cycle b) Earth Cycle c) Rain Cycle

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

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