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Worksheets

Nitrogen Ice Cream Demo Questions & TP #1 Review

Total questions: 119

Worksheet time: 59mins

Name
Class
Date
1.

How does rapid freezing with liquid nitrogen affect ice cream texture?

a)

Makes it harder

b)

Creates a creamier texture

c)

Makes it grainy

d)

Has no effect

2.

Phosphorus in ice cream is essential for:

a)

Sweetness

b)

Bone and teeth formation

c)

Reducing freezing point

d)

Aroma

3.

What is nitrogen's state at -196 degrees Celsius?

a)

Gas

b)

Liquid

c)

Solid

d)

Plasma

4.

The process of matter changing from one state to another is called:

a)

Chemical reaction

b)

Phase change

c)

Fusion

d)

Evaporation

5.

At room temperature, the molecules in a liquid:

a)

Are tightly packed

b)

Move freely but are still relatively close

c)

Do not move

d)

Are in a fixed position

6.

When exposed to room temperature, liquid nitrogen:

a)

Freezes

b)

Vaporizes

c)

Becomes denser

d)

Reacts chemically

7.

The primary states of matter are:

a)

Solid, liquid, gas, and plasma

b)

Solid, liquid, and gas

c)

Solid, liquid, gas, and light

d)

Solid, gas, and plasma

8.

  • *Choose all that apply* The behavior of molecules is greatly influenced by what?

a)

Temperature

b)

Gravity

c)

Pressure

d)

Humidity

9.

The extreme cold of liquid nitrogen affects molecular behavior by:

a)

Making them move faster

b)

Slowing them down significantly

c)

No change

d)

Making them expand

10.

The atomic mass of an element on the periodic table is usually found:

a)

On the top

b)

Under the element symbol

c)

On the left side

d)

Outside the element's box

11.

In the periodic table, metals are generally located:

a)

On the right side

b)

On the left side

c)

In the center

d)

On the top rows

12.

Non-metals on the periodic table are typically found: a) On the left side b) On the right side c) In the center d) On the bottom rows

a)

On the left side

b)

On the right side

c)

In the center

d)

On the bottom rows

13.

Elements with larger atomic numbers than Iron (Fe) are generally located: a) To the left of Iron b) To the right of Iron c) Directly above Iron d) Directly below Iron

a)

To the left of Iron

b)

To the right of Iron

c)

Directly above Iron

d)

Directly below Iron

14.

In terms of atomic mass, the heavier elements compared to Carbon (C) are usually found: a) To the left of Carbon b) Below and to the right of Carbon c) Directly above Carbon d) In the same column as Carbon

a)

To the left of Carbon

b)

Below and to the right of Carbon

c)

Directly above Carbon

d)

In the same column as Carbon

15.

The transition between metals and non-metals on the periodic table is indicated by: a) A straight vertical line b) A colored background c) A stair-step line d) No specific indication

a)

A straight vertical line

b)

A colored background

c)

A stair-step line

d)

No specific indication

16.

The boiling point of liquid nitrogen is: a) 100 degrees Celsius b) 0 degrees Celsius c) Lower than -196 degrees Celsius d) 196 degrees Celsius

a)

100 degrees Celsius

b)

0 degrees Celsius

c)

Lower than -196 degrees Celsius

d)

196 degrees Celsius

17.

Ice cream made with liquid nitrogen is: a) Less flavorful b) Rich in taste c) Bitter d) Sour

a)

Less flavorful

b)

Rich in taste

c)

Bitter

d)

Sour

18.

Liquid nitrogen demonstrates its phase change by: a) Freezing upon exposure to air b) Melting quickly c) Vaporizing quickly at room temperature d) Remaining stable

a)

Freezing upon exposure to air

b)

Melting quickly

c)

Vaporizing quickly at room temperature

d)

Remaining stable

19.

In cryogenics, liquid nitrogen is used to: a) Generate heat b) Freeze substances rapidly c) Create light d) Produce electricity

a)

Generate heat

b)

Freeze substances rapidly

c)

Create light

d)

Produce electricity

20.

The primary components in ice cream are: a) Carbon, Hydrogen, Oxygen b) Nitrogen, Calcium, Potassium c) Both a and b d) None of the above

a)

Carbon, Hydrogen, Oxygen

b)

Nitrogen, Calcium, Potassium

c)

Both a and b

d)

None of the above

21.

The reason for using gloves while handling liquid nitrogen is to: a) Improve grip b) Prevent frostbite and burns c) Keep hands warm d) For aesthetic purposes

a)

Improve grip

b)

Prevent frostbite and burns

c)

Keep hands warm

d)

For aesthetic purposes

22.

When liquid nitrogen turns into gas, it expands by approximately: a) 50 times its volume b) 100 times its volume c) 694 times its volume d) 1000 times its volume

a)

50 times its volume

b)

100 times its volume

c)

694 times its volume

d)

1000 times its volume

23.

What happens to molecules in heavy cream at room temperature? a) They freeze b) They evaporate c) They move slowly d) They move freely but are relatively close

a)

They freeze

b)

They evaporate

c)

They move slowly

d)

They move freely but are relatively close

24.

What is the effect of the extreme cold of liquid nitrogen on heavy cream molecules? a) They move faster b) They change shape c) They slow down significantly d) They bond chemically

a)

They move faster

b)

They change shape

c)

They slow down significantly

d)

They bond chemically

25.

Sodium in ice cream is: a) The main flavoring agent b) Likely present in small amounts c) Absent d) The main component

a)

The main flavoring agent

b)

Likely present in small amounts

c)

Absent

d)

The main component

26.

Magnesium in ice cream:

a)

Causes freezing

b)

Is vital for biochemical reactions in the body

c)

Adds color

d)

Enhances creaminess

27.

Which element found in ice cream is a non-metal with the symbol O?

a)

Sodium (Na)

b)

Oxygen (O)

c)

Calcium (Ca)

d)

Magnesium (Mg)

28.

Which element has a higher atomic number, Nitrogen (N) or Phosphorus (P), both found in ice cream?

a)

Phosphorus (P)

b)

Nitrogen (N)

c)

Both have the same atomic number

d)

Atomic number is not relevant

29.

Among the elements in ice cream, which is a metal with the symbol Ca?

a)

Calcium (Ca)

b)

Carbon (C)

c)

Oxygen (O)

d)

Nitrogen (N)

30.

Sodium (Na), found in ice cream, is classified as a: a) Non-metal b) Metal c) Noble gas d) Halogen

a)

Non-metal

b)

Metal

c)

Noble gas

d)

Halogen

31.

Is Carbon (C), an element in ice cream, a metal or non-metal?

a)

Metal

b)

Non-metal

c)

Metalloid

d)

Noble gas

32.

Comparing the atomic mass, which is greater, Nitrogen (N) or Oxygen (O)?

a)

Nitrogen (N)

b)

Oxygen (O)

c)

Both have the same atomic mass

d)

Atomic mass is not relevant

33.

Phosphorus (P) in ice cream is a: a) Non-metal b) Metal c) Metalloid d) Noble gas

a)

Non-metal

b)

Metal

c)

Metalloid

d)

Noble gas

34.

Between Calcium (Ca) and Magnesium (Mg), which has a larger atomic mass?

a)

Calcium (Ca)

b)

Magnesium (Mg)

c)

Both have the same atomic mass

d)

Atomic mass is not relevant

35.

On the periodic table, where do atomic numbers increase?

a)

From right to left

b)

From bottom to top

c)

From left to right

d)

They do not increase in a specific direction

36.

Atomic mass on the periodic table generally increases in which direction?

a)

Left to right and top to bottom

b)

Top to bottom and left to right

c)

Right to left and bottom to top

d)

Atomic mass does not increase in a specific direction

37.

The stair-step line on the periodic table separates:

a)

Gases from liquids

b)

Metals from non-metals

c)

Solids from gases

d)

Reactive from non-reactive elements

38.

Where is the atomic number typically located in an element's box on the periodic table?

a)

Bottom

b)

Right side

c)

Top

d)

Left side

39.

What is circled in the image?

a)

atom

b)

mixture

c)

molecule

d)

compound

40.

What does the process show? (the substance after the equal sign) Choose all that apply.

a)

formation of a molecule

b)

formation of an element

c)

formation of a new atom

d)

formation of a compound

41.

Which MUST happen for elements to become a compound?

a)

elements must be heated

b)

atoms must bond with other atoms of the same element

c)

elements must dissolve in water

d)

atoms must bond with atoms of a different element.

42.

Water (H2O), is not found on the periodic table because water is a...

a)

atom

b)

liquid

c)

mixture

d)

compound

43.

what does this represent? Choose all that apply.

a)

Compound

b)

Element

c)

Mixture

d)

molecule

44.

This picture is a model of a...

a)

element

b)

compound

c)

mixture of elements

d)

mixture of compounds

e)

mixture of elements and compounds

45.
What cannot be broken down into other substances?
a)
Compound
b)
Mixture
c)
Solids
d)
Element
46.
Which of these is an example of a molecule?
a)
a small nugget of pure gold
b)
the smallest grain of salt in a salt shaker
c)
 a small drop of sugar water
d)
two oxygen atoms joined to a carbon atom
47.
Two or more elements chemically combined:
a)
an atom
b)
a compound
c)
a mixture
d)
a pure substance
48.

Your lab assistant gave you a substance to identify. They told you it was classified as a non-metal and the atomic mass was 80 something. What element did the assistant give you?

a)

Krypton

b)

Rubidium

c)

Strontium

d)

Yttrium

49.

What is the difference between a molecule and a compound?

a)

One is radioactive.

b)

Molecules are made of the same atoms, while compounds are made up of two or more different types of atoms.

c)

They are both made of only a single atom.

d)

One makes you up and the other makes the thing that make you up.

50.

What is the example in the image?

a)

An element

b)

A mixture

c)

An extended structure

d)

A simple structure

51.

Molecules can ONLY be made of one type of atom - True or False?

a)

True

b)

False

52.

The building blocks of all matter are...

a)

atoms.

b)

molecules.

53.

This is an example of a(n)...

a)

simple molecule.

b)

extended structure.

54.

What is the example in the image?

a)

An impure substance

b)

A simple molecule

c)

An extended structure

d)

A simple structure

55.

What is the example in the image?

a)

An impure substance

b)

A simple molecule

c)

An extended structure

d)

A simple structure

56.

When you take a molecule and break it up into its, parts what are you left with?

a)

Atoms

b)

Compounds

c)

Mixture of compounds

d)

Pure substance of molecules

57.
What is a molecule?
a)
Two or more atoms bonded together
b)
One element
c)
One atom
d)
Solid, Liquid, Gas
58.
What is the smallest particle?
a)
Element
b)
Molecule
c)
Atom
d)
Plasma
59.
The Atomic Number is the same as the number of:
a)
protons
b)
electrons
c)
protons and neutrons
d)
electron shells
60.

What does the blue square represent? Choose ALL that apply.

a)

Compound

b)

Metal

c)

Non Metal

d)

Element

61.

Which letter has the greatest atomic mass?

a)

A

b)

B

c)

C

d)

D

62.

Which letter has the lowest atomic mass?

a)

A

b)

B

c)

C

d)

D

63.

Which has a greater atomic number?

a)

A

b)

C

c)

E

64.

Which element has a lower atomic mass?

a)

E

b)

C

65.

When two of the same type of atoms bond together they form a __________

a)

Element

b)

Compound

c)

Mixture

d)

Impure Substance

66.

Each of the purple circles represent what?

a)

A compound

b)

A molecule

c)

An atom

d)

A mixture

67.

What does each colored sphere represent?

a)

An atom

b)

A compound

c)

A molecule

d)

A mixture

68.

What is this a picture of?

a)

A compound

b)

An element

c)

A mixture of compounds

d)

A pure Substance

69.

This picture represents which of the following? (Choose all that apply)

a)

Element

b)

Compound

c)

Molecule

70.

This picture represents which of the following?

a)

Element

b)

Compound

c)

Molecule

71.

The smallest particle that makes up matter.

a)

Atoms

b)

Elements

c)

Molecules

d)

Compounds

72.

H2O is most accurately described as a ___________________.

a)

Three molecule

b)

One compound

c)

element

d)

atom

73.

Which of the following is the most accurate statement?

a)

everything is both a molecule and a compound

b)

nothing can be both a molecule and a compound

c)

all compounds are also molecules

d)

All molecules are also compounds

74.

Which vocabulary words can be used to describe this image? (Check all that apply.)

a)

Molecule

b)

Compound

c)

Element

d)

Atom

75.

Molecules and compounds are created when multiple atoms bond together, but how are they different?

a)

Compounds have to have atoms from different elements bonded together

b)

Molecules have to have atoms from different elements bonded together

c)

They are the same and there is no difference

d)

Molecules are building blocks of compounds

76.

Which of these is only a molecule and not a compound?

a)

a

b)

b

c)

c

d)

d

77.

Which of these models can be described as a compound?

a)

water

b)

carbon dioxide

c)

amonia

d)

methane

e)

All of them are compounds

78.

The circles represent atoms. Each color is a different type of atom. This image represents:

a)

An element

b)

A mixture

c)

A compound

d)

An atom

79.

In this diagram, W represents...

a)

An element

b)

A molecule

c)

A compound

d)

A mixture

80.

This diagram represents...

a)

An element

b)

A molecule

c)

A compound

d)

A mixture of elements and compounds

81.

The smallest part of an element that retains the properties of the element is the

a)

nucleus.

b)

electron

c)

atom

d)

neutron

82.

Are these molecules also compounds?

a)

YES

b)

NO

83.

How many molecules are in this picture?

a)

1

b)

2

c)

3

d)

4

84.

How many elements are in this picture?

a)

1

b)

2

c)

3

d)

4

85.

How many compounds are in this picture?

a)

1

b)

2

c)

3

d)

4

86.

Atoms combine to form _______. 

a)

electrons

b)

molecules

c)

nuclei

d)

neutrons

87.

What do we call a substance composed of atoms of a singular type?

a)

cell

b)

proton

c)

element

d)

atom

88.

Which term represents the particle that is formed when 2 or more atoms come together as one?

a)

atoms

b)

elements

c)

molecules

d)

compounds

89.

What does this diagram represent? (Choose all that apply.)

a)

An element

b)

A molecule

c)

A compound

d)

A mixture

90.

Which vocabulary words can be used to describe this image? (Check all that apply.)

a)

An element

b)

A molecule

c)

A compound

d)

A mixture

91.

What does this diagram represent?

a)

Five atoms

b)

One molecule

c)

Two compounds

d)

One mixture

92.

Click ALL boxes that contain molecules.

a)

A

b)

B

c)

C

d)

D

93.

Click ALL boxes that show compounds.

a)

A

b)

B

c)

C

d)

D

94.

Click ALL the boxes that show elements.

a)

A

b)

B

c)

C

d)

D

95.

What needs to happen to allow a compound to form?

a)

Two atoms of the same element chemically combine.

b)

Two atoms of different elements chemically combine

c)

Two atoms of the same element physically combine

d)

Two atoms of different elements physically combine

96.

Each ball shown in the diagram represents a type of atom. Balls of the same shade and size represent the same kind of atom. Which diagram shows a mixture?

a)

1

b)

2

c)

3

d)

4

97.

Each ball shown in the diagram represents a type of atom. Balls of the same shade and size represent the same kind of atom. Which diagram shows a compound?

a)

1

b)

2

c)

3

d)

4

98.

Each ball in the diagram represents a type of atom. Balls of the same shade and size represent the same kind of atom. Which two diagrams represent elements?

a)

1

b)

2

c)

3

d)

4

99.

Substances that are made up of ONLY one type of atom (element) or compound.

a)

Heterogeneous mixture

b)

Pure substance

c)

Suspension

d)

Homogeneous mixture

100.

Which of the following is classified as a pure substance?

a)

Lemonade

b)

Fruit punch

c)

ketchup

d)

Hydrogen

101.

What is matter?

a)

Anything that has mass and occupies space

b)

Anything that has mass

c)

Anything that is made of air

d)

ALL of them 

102.
Which of the following is a pure substance? 
a)
Water
b)
Sugar
c)

Gold

d)
ALL of them
103.

Which of the following is NOT a mixture?

a)

milk

b)

lemonade

c)

vegetable salad

d)

carbon

104.

Which of these is an element?

a)

Salt (NaCl)

b)

Water (H20)

c)

Oxygen (O)

d)

Carbon Dioxide (CO2)

105.

Which of these is a compound?

a)

Aluminium (Al)

b)

Carbon Dioxide (CO2)

c)

Nitrogen (N)

d)

Sand

106.

True or False: Elements and compounds are pure substances.

a)

True

b)

False

107.

Identify which images are HETEROGENEOUS MIXTURES! (Check all that apply)

a)
b)
c)
d)
108.

Max is hungry and he prepares cereal with milk. This is an example of a: 

a)

Homogeneous mixture

b)

Heterogeneous mixture

109.

What are the two types of Mixtures

a)

Elements and Subatomic Particles

b)

Protons and Electrons

c)

Atoms and Compounds

d)

Homogenous and Heterogeneous

110.

Two substances physically combined and that appears the same throughout is classified as

a)

A homogeneous mixture

b)

A heterogeneous mixture

c)

An element

d)

  A compound

111.

What type of mixture does this diagram represent?

a)

Homogeneous

b)

Heterogeneous

112.

What type of mixture is this?

a)

homogenous mixture

b)

chemical

c)

heterogeneous mixture 

d)

solid mix

113.

A mixture that contains two or more substances uniformly combined

a)

heterogeneous mixture

b)

homogeneous mixture

c)

suspension

d)

colloid

114.

Matter is classified in...

a)

Elements & Compounds

b)

Homogeneous & Heterogeneous

c)

Colloids & Suspensions

d)

Pure substances & Mixtures

115.
a)
heterogeneous mixture
b)
homogeneous mixture
116.

Both elements and compounds are pure substances. 

a)

AGREE

b)

DISAGREE

117.

This is a

a)

Pure Substance

b)

Molecule

c)

Compound

d)

Mixture

118.

Which is a pure substance?

a)

b)

c)

d)

119.

What is this?

a)

Atoms of an element

b)

Compounds

c)

Molecules of an element

d)

Mixture