Questions with Correct Answers | Pre-
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A square has how many sides? 4
How much is 2 plus 2? 4
A rose is a what? A flower
What is the best explanation of how a smooth round stone became smooth? 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? germination
Any astronomical body that revolves around a larger body is called? satellite
, In chemistry, to be classified as an organic substance, a substance must contain?
carbon atoms
What element does not contain any neutrons?Hydrogen
What is the symbol for hydroxyl ion? OH-
A perpetual-motion machine can never be built because it is not possible to eliminate
what? Clasticity
The chemical formula of a compound describes the elements the compound contains
and the... the ratio of elements in a compound
When scientists measures a liquids resistance to flow, they are measuring the
liquids... Viscosity
The tympanic membranes are also known as the... Ear drums
When sodium atoms form sodium ions they: lose electrons
Choking is prevented by the...? epiglottis covering the voice box
Which of the following actions produce & chemical change? Adding salt to the
hot water
Which of the following is a non-renewable resource?Copper