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1. ( GS) A) It was in a
stream for a long
Which of these is the best explanation of how a
smooth round stone became smooth?
A) It was in a stream for a long
B) it goes around
C) the stream can't go longer
D) there was never a stream
2. Any astronomical body that revolves around a larger a satellite.
body is called
A) a poll
b) a satellite
c) a car
d) a stop light
3. When a lobster grows a claw to replace one that was C) regeneration.
lost, the process is called
A) solid
B) hard
C) regeneration.
D) stop
4. In chemistry, to be classified as an organic sub- C) Carbon atoms.
stance, a substance must contain
a) babe powder
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b) backing soda
C) Carbon Atoms
d) soda
5. Which element does not contain any neutrons? B) hydrogen
a) neutrons
B) hydrogen
C) code
D) slime
6. The chemical formula of a compound describes the C) ratio of ele-
elements the compound contains and the ments in the com-
pound.
a) chemical stopper
b) slime
c) ratio of elements in the compound.
d) ratio
7. What is the symbol for the hydroxyl ion? 30
a)0
b)98
c)H30
d) H20
8. Which of the following is a renewable resource? natural gas
a. gas
b. natural gas
c. fiber
d. sent
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9. How many atoms are in a single molecule of water 3
(H20)?
a. h30
b. h790
c. 3
d. 9
10. Regeneration in man is limited to healing of
A. reproduction wounds.
B. fertilization
C. experimentation
D. healing of wounds
11. When scientists measure a liquid's resistance to flow, viscosity.
they are measuring the liquid's
a) lose electrons
b) diversity
c) viscosity
d) regeneration
12. When sodium atoms form sodium ions, they lose electrons.
A. share protons
B. gain neutrons
C. lose electrons
D. share protons
13. A perpetual-motion machine can never be built be- d) inertia,
cause it is not possible to eliminate
a) copy
b) stop
c) go
d) inertia
14. A human skin cell divides by mitosis
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A) cell
B) ADHD
C) time
D) mitosis
15. The filament in an electric light bulb is made from tungsten.
A) TUSAMI
B) speech
C) tungsten
d) water
16. (AR) 103
Terry earns a $250 salary plus $5 per sale. How many
sales must Terry make to earn $765 altogether?
A) 30
B)345
C)103
D) 29
17. Jerry walked a dog from 6:40 a.m. to 7:30 a.m. one day. $5.00
If he was paid at the rate of $6 per hour, how much did
he earn that day?
A) 5.90
B) 6.98
C)8.94
D)5.00
18. How many feet of chain fence are necessary to en- 32
close a dog pen that is square and has an area of 64
square feet?