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Physical Science SOLAR Prep
Test Description: Solar preparation questions for physical science
Instructions: Answer all questions to get your test result.
1) Which of these is MOST responsible for chemical reactions?
A
Electrons traveling the fastest toward the center of the atoms
B
Electrons in the nucleus of the atoms
C
Electrons in the closest to the nucleus of the atoms
D
Electrons in the highest occupied energy level of the atoms
2) Which model does the BEST job of illustrating the three dimensional structure of the atom?
A
Rutherford's model
B
Electron cloud model
C
Thompson's model
D
Bohr's model
3) Burning wood is considered a chemical change because the ash and released gases left over have-
A
An identical melting point
B
The same physical properties as wood
C
Properties that differ from wood
D
The same chemical composition as wood
4) An atom's identity is determined by-
A
the number of energy levels
B
the number of protons
C
the number of neutrons
D
the number of electrons
5) A solid that has a regular repeating pattern in the arrangement of its particles is known as-
A
an alloy
B
an amorphous solid
C
a repeating element
D
a crystal
6) A measure of the gravitational force acting on a mass is called-
A
weight
B
momentum
C
velocity
D
mass
7) Where would an object's mass be the GREATEST?
A
Its mass would be the same at each location
B
On Jupiter (the largest planet)
C
On the moon
D
On Earth
8) The Law of Conservation of Matter states-
A
matter can be created or destroyed
B
matter can neither be created nor destroyed
C
matter can only be destroyed
D
matter can only be created
9) To make data more reliable an experimenter should-
A
eliminate constants
B
add variables
C
increase the number of repeated trials
D
add a variable to the control
10) Which of the following contains more energy?
A
Water that is almost at its boiling point
B
Steam
C
Ice
D
Liquid water
*select an answer for all questions
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