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Science Pre-test

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1.
1 point
To neutralize an acid you would add
2.
1 point
The transfer of excess charge through a conductor to Earth is called
3.
1 point
A positive ion
4.
1 point
A generator changes mechanical energy into electrical energy
5.
1 point
The transfer of energy as waves move through space is called
6.
1 point
The sum of the protons and neutrons in an atom is the
7.
1 point
The nucleus of an atom is
8.
1 point
Which of these compounds is an acid
9.
1 point
Gasolene contains ____ carbon chains
10.
1 point
The number of protons in one atom of an element is that elememt's
11.
1 point
A hydrocarbon with all single bonds
12.
1 point
The study of Earth's composition, structure, and history is called
13.
1 point
Which of the following increases when an object becomes warmer
14.
1 point
Most of the circuits in your home are
15.
1 point
At a convergent boundary two plates are forced toward each other
16.
1 point
A transformer has a primary coil with 500 turns and a secondary coil with 250 turns. If the output voltage is 240 volts, what is the input voltage
17.
1 point
The mass of 1 proton or the mass of 1 neutron
18.
1 point
The monomer for a carbohydrate is cellulose
19.
1 point
Which of the following provide electrical safety
20.
1 point
What subatomic particle has a negative charge
21.
1 point
What is the name of the area surrounding Earth that is influenced by Earth's magnetic field.
22.
1 point
An earthquake of 6.0 on the Richter Scale is ____ times stronger than a 3.0
23.
1 point
An incandescent light bulb produces light when electrons flow through the
24.
1 point
The phase change in which a substance changes from a gas to a liquid is
25.
1 point
Linear polymers gets stronger as they get longer
26.
1 point
An earthquake 3.6 on the Richter Scale is a major earthquake
27.
1 point
Hydrocarbons consist of carbon and water
28.
1 point
The SI unit of resistance is the
29.
1 point
The monomer of proteins
30.
1 point
The phase change in which a substance changes from a liquid to a gas is
31.
1 point
Which of the following materials conducts heat well
32.
1 point
A bend in layers of rock
33.
1 point
A pH of 2 is how many times more acidic than a pH of 6
34.
1 point
The phase change in bwhich a substance changes from a solid to a gas or vapor without changing into a liquid is
35.
1 point
The three main layers of the Earth's interior are the
36.
1 point
Monomers are made up of polymers
37.
1 point
Products in complete combustion are
38.
1 point
A hydrocarbon with 5 carbons and all single bonds is named
39.
1 point
An aluminum aton with 13 protons and 15 neutrons is correctly written as
40.
1 point
What is the atomic # and mass # of an element with 30 protons and 35 neutrons
41.
1 point
Nitrogen and oxygen are held together by ionic bonds
42.
1 point
A material that has almost zero resistance when it is cooled to low temperatures is a(an)
43.
1 point
A negative ion
44.
1 point
A skydiver falling through the sky is converting his potential energy to kinetic energy
45.
1 point
A(an) ____ has a definite volume and definite shape
46.
1 point
Atoms with the same number of protons, but different mass numbers
47.
1 point
The energy stored in gasolene is
48.
1 point
How many bonds can carbon form with other atoms
49.
1 point
Increasing the coils around a magnet increases the magnetic field
50.
1 point
An electrical conductor has
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