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Practice questions for this set
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lose electrons
Choose an answer
When sodium atoms form sodium
1 A square has how many sides? 2
ions they:
If you place bean seeds between
The tympanic membranes are also moist paper towels and watch the
3 4
known as the... stem leaves appear you will see a
demonstration of?
Don't know?
,Terms in this set (121)
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 It was in a stream for a long time
a smooth round stone became
smooth?
If you place bean seeds between germination
moist paper towels and watch the
stem leaves appear you will see a
demonstration of?
Any astronomical body that revolves satellite
around a larger body is called?
In chemistry, to be classified as an carbon atoms
organic substance, a substance must
contain?
What element does not contain any Hydrogen
neutrons?
What is the symbol for hydroxyl ion? OH-
A perpetual-motion machine can Clasticity
never be built because it is not
possible to eliminate what?
, The chemical formula of a the ratio of elements in a compound
compound describes the elements
the compound contains and the...
When scientists measures a liquids Viscosity
resistance to flow, they are
measuring the liquids...
The tympanic membranes are also Ear drums
known as the...
When sodium atoms form sodium lose electrons
ions they:
Choking is prevented by the...? epiglottis covering the voice box
Which of the following actions Adding salt to the hot water
produce & chemical change?
Which of the following is a non- Copper
renewable resource?
What are the 2 main gases that make Hydrogen and helium
up stars?
A radar is designed to report the 50%
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?