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GRADED A+
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
What are the 2 main gases that make up stars?
Hydrogen and helium
A radar is designed to report the track of an aircraft every second. If this radar
reports 30 tracks in one minute, what percentage of the time did the radar track
the aircraft?
50%
Jerry walked a dog from 6:40am to 7:30pm one day. If he was paid at the rate of
6$ per hour, how much did he earn that day?
$5.00