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Grade 5-6 Science

Total questions: 84

Worksheet time: 1hrs 1mins

Name
Class
Date
1.
Who was the first person to ever talk about the atom?
a)
Dalton
b)
Rutherford
c)
Democritus
2.
All matter is made of what?
a)
energy
b)
electrons
c)
atoms
d)
compounds
3.
How did Rutherford discover the proton?
a)
Cathode Ray Tube
b)
Gold Foil Experiment
c)
Planetary Model
d)
Plum Pudding Model
4.
Who stated that all atoms of the same element are exactly alike?
a)
Democritus
b)
Dalton
c)
Thomson
d)
Bohr
5.
What scientist is best known for his "Plum Pudding" model of the atom?
a)
J. J. Thomson
b)
Ernest Rutherford
c)
John Dalton
d)
Democritus
6.
What contribution did John Dalton make to the atomic theory?
a)
He discovered that every atom was positively charged.
b)
He discovered that every element consisted of one type of atom.
c)
He discovered the nucleus in an atom.
d)
He discovered that atoms could be divided into smaller parts.
7.
Rutherford's gold foil experiment provided evidence that.....
a)
negative and positive charges are spread out evenly throughout the atom.
b)
alpha particles have a positive charge.
c)
gold is not as dense as previously thought.
d)
there is a dense positively charged nucleus at the center of an atom.
8.
True or False: The majority of an atom is made up of empty space
a)
True
b)
False
9.
The middle of the atom, which contains protons and neutrons, is called ___________
a)
the shell
b)
the nucleus
c)
the cell
d)
the control center
10.
Bohr's model of the atom proposed that ______.
a)
the nucleus spins
b)
neutrons move around the nucleus
c)
electrons move around the nucleus in levels
d)
neutrons do not exist, but are just paired protons and electrons
11.
One of Dalton's conclusions concerning his atomic theory was that all the atoms of different elements are _______.
a)
the same
b)
combined
c)
reacted
d)
different
12.
Which statement is true according to current thinking?
a)
The size of atoms changes over time, pulsating from large to small to large again.
b)
The nucleus is very mobile, and moves around inside a cloud of electrons.
c)
An atom is mostly empty space.
d)
The atom is a collection of particles, so tightly packed that there is little empty space.
13.
Which scientist proposed a model of the atom in which the electrons are orbiting at different levels?
a)
Niels Bohr
b)
James Chadwick
c)
John Dalton
d)
Ernest Rutherford
14.
True or False:  According to the modern day atomic theory, electrons travel on definite paths.
a)
True
b)
False
15.
Where are electrons likely to be found according to our Modern Day Theory?
a)
outer shell of the atom
b)
in the nucleus
c)
electron cloud
16.
Whose model of an atom is displayed in the figure?
a)
Bohr
b)
Rutherford
c)
Thomson
d)
Dalton
17.
Whose model of an atom is displayed in this figure?
a)
Bohr
b)
Rutherford
c)
Thomson
d)
Dalton
18.
Whose model of an atom is displayed in this figure?
a)
Bohr
b)
Rutherford
c)
Thomson
d)
Dalton
19.
Whose model of an atom is displayed in this figure?
a)
Bohr
b)
Rutherford
c)
Thomson
d)
Dalton
20.
True or False:  Democritus gathered his ideas from many experiments. 
a)
True
b)
False
21.

Who is considered the father of the nuclear age?

a)

Ernest Rutherford

b)

The Greek philosopher Democritus

c)

J. J. Thompson

d)

John Dalton

22.

How did Werner Heisenberg's wave theory explain the movement of the electron?

a)

The location of the electron cannot be pinpointed at any given time it can only be shown to exist in a range of locations.

b)

The electron has a certain path it always follows around the nucleus of the atom.

c)

The electron is a myth.

d)

The electron is like a moth flittering around a light bulb.

23.

Where is/are proton(s) found in the atom?

a)

The outer shell of the atom.

b)

orbiting the nucleus of the atom

c)

in the nucleus of the atom

d)

protons do not exist in the real world

24.

Which is true about the atom?

a)

Protons=negatively charged

Neutrons=negatively charged

Electrons=positively charged

b)

Protons=neutrally charged

Neutrons=negatively charged

Electrons=positively charged

c)

Protons=positively charged

Neutrons=negatively charged

Electrons=neutrally charged

d)

Protons=positively charged

Neutrons=neutrally charged

Electrons=negatively charged

25.

Who was the person that came up with the chocolate chip cookie model of the atom?

a)

Ernest Rutherford

b)

The Greek philosopher Democritus

c)

J. J. Thompson

d)

John Dalton

26.

Neils Bohr came up with which model of the atom?

a)

The chocolate chip cookie model.

b)

The planetary model.

c)

The quantum model.

d)

The spaghetti and meatballs model.

27.

Who was the Quaker teacher that proved Democritus' theory of the atom?

a)

Ernest Rutherford

b)

The Greek philosopher Democritus

c)

J. J. Thompson

d)

John Dalton

28.

If the atomic number of an atom is 4, how many protons does it have?

a)

3

b)

5

c)

6

d)

4

29.

The number of neutrons in the nucleus of an atom can be determined by subtracting the atomic mass from its atomic number.

a)

True

b)

False

30.

Who was the person that came up with the idea that all things are made of tiny particles he called "atomos"?

a)

Ernest Rutherford

b)

The Greek philosopher Democritus

c)

J. J. Thompson

d)

John Dalton

31.

Take a look at the diagram of the atom. What would the atomic number of this atom be?

a)

5

b)

7

c)

3

d)

6

32.

About how many atoms make up your body?

a)

7 million, million, million, million

b)

7 thousand

c)

7 billion, billion, billion

d)

7 hundred

33.

Protons and neutrons have the same weight and electrons are 2,000 times lighter than a proton or neutron.

a)

True

b)

False

34.

If John Dalton was able to devise an experiment in 1808 proving Democritus' theory of the atom from 440 BCE, how many years did it take for Democritus to be proven right?

a)

580 years

b)

1,580 years

c)

2,248 years

d)

5,000 years

35.

Where is the majority of the mass found in the atom?

a)

The outer shell

b)

The nucleus

c)

The orbiting electrons

d)

The atom has no mass

36.
This particle is found in the nucleus and has no charge
a)
Neutron
b)
Proton
c)
Electron
37.
This particle is found in the nucleus and has a positive charge
a)
Electron
b)
Proton
c)
Neutron
38.
This is a negatively charged particle found outside the nucleus
a)
Electron
b)
Proton
c)
Neutron
39.
This contains most of the mass of an atom
a)
Electron Cloud
b)
Nucleus
c)
Electron
40.
What scientist is best known for his "Plum Pudding" model of the atom?
a)
J.J. Tomson
b)
Ernest Rutherford
c)
John Dalton
d)
Democritus
41.
Place the following scientists in order, from earliest to latest: 
A) Ernest Rutherford
B) J.J. Thomson
C) John Dalton
a)
B,C,A
b)
C,A,B
c)
A,C,B
d)
C,B,A
42.
What does the nucleus of an atom contain?
a)
Electrons and neutrons
b)
Protons and neutrons
c)
Neutrinos and positrons
d)
DNA and RN
43.
What does the nucleus of an atom contain?
a)
Electrons and neutrons
b)
Protons and neutrons
c)
Neutrinos and positrons
d)
DNA and RN
44.
Which scientist proposed a model of the atom in which the electrons are orbiting at different levels?
a)
Niels Bohr
b)
James Chadwick
c)
John Dalton
d)
Ernest Rutherford
45.
Which scientist saw the atom as a positively charged sphere with negative particles (electrons) embedded within?
a)
J.J. Thomson
b)
Niels Bohr
c)
John Dalton
d)
Ernest Rutherford
46.
Bohr's model of the atom proposed that ___.
a)
electrons move around the nucleus in fixed orbits
b)
neutrons move around the nucleus
c)
neutrons do not exist, but are just paired protons and electrons
d)
the nucleus spins
47.
J.J. Thomson's model of the atom is given this name because he believed that electrons were spread randomly throughout a positive sphere.
a)
plum pudding model
b)
orbital model
c)
Thomson's model
d)
plasma model
48.
Which scientist is responsible for first discovering that all the atoms of a particular element are identical but are different from the atoms of all other elements?
a)
Dalton
b)
Thomson
c)
Bohr
d)
Rutherford
49.
Which scientist is responsible for first discovering that all the atoms of a particular element are identical but are different from the atoms of all other elements?
a)
Dalton
b)
Thomson
c)
Bohr
d)
Rutherford
50.

Order the atomic models below from the oldest to the most recent.

a)

2, 1, 3, and 4

b)

1, 2, 4, and 3

c)

3, 2, 4, and 1

d)

3, 1, 2, and 4

51.
Which scientist proposed a model of the atom in which the individual atoms were thought of as tiny solids like balls or marbles?
a)
John Dalton
b)
James Chadwick
c)
Ernest Rutherford
d)
J.J. Thomson
52.
Bohr proposed a model of the atom as a large positive sphere with negatively charged electrons revolving around the center in orbits. What was this model nicknamed?
a)
The Planetary Model
b)
The Billiard Ball Model
c)
The Nuclear Model
d)
The Plum Pudding Model
53.
One of the Dalton's conclusions concerning his atomic theory was that all the atoms of the same element are ___.
a)
the same
b)
different
c)
combined
d)
reacted
54.
Which statement is true according to current thinking?
a)
An atom is mostly empty space.
b)
An atom is a collection of particles, so tightly packed that there is little empty space.
c)
The atomic nucleus is very mobile, and moves around inside a cloud of electrons.
d)
The size of atoms changes over time, pulsating from large to small to large again.
55.
Whose model of an atom is displayed in the picture?
a)
Thomson
b)
Rutherford
c)
Dalton
d)
Bohr
56.

The "outer" most layer of the Earth is called the ____________.

a)

mantle

b)

crust

c)

inner core

d)

outer core

57.

The intensity and strength of an earthquake is measured with a ________________________.

a)

thermometer

b)

recorder

c)

seismograph

d)

tectonic reader

58.

The layer of Earth that is the most dense is the ___________.

a)

inner core

b)

outer core

c)

mantle

d)

crust

59.

The inner core of our planet is likely solid (not liquid) primarily due to the intense _____________________.

a)

volcanic action

b)

seismographic waves

c)

heat

d)

pressure

60.

The thickest geologic layer inside our planet is the ___________.

a)

mantle

b)

crust

c)

inner core

d)

outer core

61.

With respect to geologic time, we are currently in the _________________ era.

a)

Cenozoic

b)

Mesozoic

c)

Paleozoic

d)

Precambrian

62.

Planet Earth is estimated to be __________________ years old.

a)

4.6 million

b)

4.6 billion

c)

3.5 billion

d)

2.8 billion

63.

Dinosaurs existed during the _______________________ era.

a)

Paleozoic

b)

Cenozoic

c)

Precambrian

d)

Mesozoic

64.

_______________ have been used to help solve the theory of continental drift.

a)

Fossil records

b)

All of these are correct

c)

Similar mountain ranges and geologic structures

d)

Shapes of coastlines (like a puzzle)

65.

This is a concept map of ___________________________.

a)

Pangea

b)

the United States of America

c)

None of these are correct

d)

the arctic circle

66.

The first scientist to suggest the theory of "Continental Drift" was ______________________________.

a)

Neil deGrasse Tyson

b)

Charles Darwin

c)

Albert Einstein

d)

Alfred Wegener

67.

Yucca Mountain (in Nevada) is a place in the USA where it has been proposed that we store ____________________ due to its stable geologic features.

a)

garbage

b)

seismograph equipment

c)

nuclear waste

d)

atomic bombs

68.

This chart/graph is an example of a(n) _________________________ reading which tells how strong a(n) ________________________ was.

a)

seismograph; tornado

b)

seismograph; earthquake

c)

topograph; tornado

d)

digital graph; earthquake

69.

Subatomic particles with a negative charge

a)

Electrons

b)

Neutrons

c)

Protons

d)

Quarks

70.
subatomic particles found on the outermost shell & responsible for the atom's reactivity
a)
neutrons
b)
valence electrons
c)
isotopes
d)
ions
71.
Subatomic particles with a positive charge
a)
neutrons
b)
atomic mass
c)
protons
d)
isotopes
72.
Measure mainly of the nuclear particles: protons + neutrons
a)
Subatomic Particles
b)
Atomic Number
c)
Atomic Mass
d)
Gluons
73.
Value representing the number of protons in an element
a)
Atomic Mass
b)
Mass Number
c)
Valence Electrons
d)
Atomic Number
74.
Subatomic particles that are neutral in charge
a)
Neutrons
b)
Protons
c)
Nucleus 
d)
Electrons
75.
A charged atom
a)
Ion
b)
Isotope
c)
Electron Cloud
d)
Quark
76.
The smallest particle of an element that shows all the properties of that element.
a)
Subatomic Particles
b)
Atom
c)
Quarks
d)
Gluons
77.
A tiny but very dense, positively charged portion of the atom that holds most of the atomic mass
a)
Electron Shells
b)
Orbitals
c)
Electron Cloud
d)
Nucleus
78.
Arrangement of elements organized by atomic number
a)
Electron Cloud 
b)
Periodic Table 
c)
Electron Configuration
d)
None of these
79.
Discovered the nucleus of the atom through the Gold Foil Experiment
a)
Rutherford
b)
Chadwick
c)
Thomson
d)
Dalton
80.
Discovered the electron within the atom
a)
Thomson
b)
Chadwick 
c)
Schrodinger & Heisenberg
d)
Dalton
81.
Created the Planetary Model of the atom
a)
Bohr
b)
Dalton
c)
Rutherford
d)
Chadwick
82.
Believed that atoms of the same element are identical to each other
a)
Bohr
b)
Rutherford
c)
Dalton
d)
Thomson
83.
Calculation used to find the number of neutrons in an atom
a)
Atomic Mass - Atomic Number
b)
Atomic Number - Atomic Mass
c)
Atomic Mass - Electrons
d)
none of these
84.
John Dalton stated:
a)
elements are made of atoms
b)
atoms of a given element are identical
c)
atoms cannot be subdivided, created, nor destroyed
d)
all of the above

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