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What is the best explanation of how a smooth round stone became smooth? -ANSWER
- It was in a stream for a long time
If you place bean seeds between moist paper towels and watch the stem leaves appear
you will see a demonstration of? -ANSWER - germination
Any astronomical body that revolves around a larger body is called? -ANSWER -
satellite
In chemistry, to be classified as an organic substance, a substance must contain? -
ANSWER - carbon atoms
What element does not contain any neutrons? -ANSWER - Hydrogen
What is the symbol for hydroxyl ion? -ANSWER - OH-
A perpetual-motion machine can never be built because it is not possible to eliminate
what? -ANSWER - Clasticity
The chemical formula of a compound describes the elements the compound contains
and the... -ANSWER - the ratio of elements in a compound
When scientists measures a liquids resistance to flow, they are measuring the liquids... -
ANSWER - Viscosity
The tympanic membranes are also known as the... -ANSWER - Ear drums
When sodium atoms form sodium ions they: -ANSWER - lose electrons
Choking is prevented by the...? -ANSWER - epiglottis covering the voice box
Which of the following actions produce & chemical change? -ANSWER - Adding salt to
the hot water
Which of the following is a non-renewable resource? -ANSWER - Copper
What are the 2 main gases that make up stars? -ANSWER - Hydrogen and helium
Prestige most nearly means -ANSWER - status