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Worksheets3RD Quarter EXAM Review
Total questions: 28
Worksheet time: 18mins
What is the smallest unit of an element that maintains the properties of that element?
Atom
Acorn
Proton
Electron
[ ? ] is the number of protons in the nucleus of an atom; this number is the same for all atoms of an element.
(a)
An ancient Greek philosopher, [?], thought up the idea that we would eventually end up with a particle that could not be cut - atomos.
Demetrius
Dionysus
Dumbledore
Democritus
It is "a subatomic particle that has a negative charge".
Atom
Electron
Proton
Neutron
It is "a subatomic particle that has a positive charge and that is located in the nucleus of an atom; the number of this subatomic particle is the atomic number, which determines the identity of an element".
Atom
Electron
Proton
Neutron
It is "a subatomic particle that has no charge and that it located in the nucleus of an atom".
Atom
Electron
Proton
Neutron
Who was the 19th century Scienctist, who's theory stated that "all matter is made up of atoms" and that "atoms cannot be created, divided, or destoryed"?
John Dalton
Democritus
J.J. Thomson
Aristotle
Who was the 20th century Scientist who's observations led to a theory on the behavior of the atom, in that "...electrons move around the nucleus in circular paths...[e]ach path is a certain distance from the nucleus..."?
Ernest Rutherford
Democritus
John Dalton
Niels Bohr
What charge does a Proton have?
1+
No charge
1-
4+
What charge does a Neutron have?
1+
No charge
1-
4+
What charge does an Electron have?
1+
No charge
1-
4+
The total number of protons and neutrons in an atom's nucleus is its [?].
(a)
True or False: You cannot see individual atoms with the human eye.
TRUE
FALSE
Between the two subatomic particles, protons and electrons, which of the two has very little mass (unified atomic mass unit - u)?
Proton
Electron
[ ? ] is an object's change in position relative to a reference point.
(a)
Which of the choices below is defined as "the location of an object"?
Location
Position
Pokémon
Reference point
A [ ? ] is "a location to which another location is compared".
(a)
Which of the choices below is defined as "the distance traveled divided by the time interval during which the motion occurred"?
Motion
Velocity
Speed
Spaghetti
What is the formula used to calculate for Average Speed?
Baby formula
y = mx + b
S = TD
s = td
A quantity that has both size and direction is knonwn as [ ? ].
(a)
Convert the regular number to Scientific Notation;
0.00000000629
(a)
Convert the regular number to Scientific Notation;
8,000
(a)
Convert 0.0000073 into Scientific Notation;
7.3 x 10−6
73.0 x 10−6
7.3 x 106
7 x 103
Convert 940,000 into Scientific Notation;
10 × 510
9.4 × 105
9.5 × 104
9.5 × 10−4
Convert the Scientific Notation into the regular number;
2 × 109
(a)
Convert the Scientific Notation into the regular number;
3.8×10−2
(a)
Convert 4.16 × 10−7 into a regular number;
41,600,000
41,600,k
0.000000416
0.000000042
Two birds flew from their nest with an average speed of 25 km per second, for 5 minutes. Why would these two birds not be in the same location?
25 km/s
25 km/m
The second bird is smaller in size.
They flew in different directions.
