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WorksheetsUnit 1 Review Quizziz
Total questions: 136
Worksheet time: 3hrs 58mins
What type of change is ice melting?
Chemical Change
Physical Change
What type of change occurs when wood is burned in a fireplace?
Chemical Change
Physical Change
What type of change occurs when a glass bottle is shattered?
Chemical Change
Physical Change
Baking soda and vinegar combine to create carbon dioxide.
Chemical Change
Physical Change
Tearing paper into small pieces is an example of what?
Mixture
Physical change
Chemical change
The formation of a solid during a
Combustion
Phase Change
Physical Change
Precipitate
A student heats a beaker of water on a hot plate. Over time, the water begins to bubble, the volume decreases, and vapor is visible. This is an example of a ____________ change.
Chemical
Nuclear
Physical
Musical
When lithium metal is dropped into a container of water, it sparks and fizzes, and the water begins to bubble violently. The conclusion that can be drawn from this is:
A new substance is created because this is a chemical change.
No new substances are created because this is a chemical change.
No new substances are created because this is a physical change.
A new substance is created because this is a physical change.
In this example, there is no gas produced, no temperature change, no odor, and no solids formed. This must be a _________ change.
Physical
Emotional
Hypothetical
Chemical
A white crystalline powder is mixed with water. No temperature change is observed, but the solid disappears. This must be a __________ change.
Chemical
Mechanical
Physical
Electrical
Percy is cutting the grass and picking up the clippings. He hates lawn work but loves the smell of cut grass. Percy has created a _________ change.
Physical
Chemical
A physical change...
Changes the physical properties of an object, but does not create a new substance.
Creates a new substance and cannot be undone.
What does a chemical change do?
It changes the physical properties of an object, but does not create a new substance.
It creates a new substance and cannot be undone.
Is this an example of a physical or chemical change?
Physical
Chemical
Is this a physical or chemical change?
Physical
Chemical
Is this a physical or chemical change?
Physical
Chemical
Is this a physical or chemical change?
Physical
Chemical
Is this a change that is physical or chemical?
Physical
Chemical
Is this a physical or chemical change?
Physical
Chemical
Which is the property of matter in which a substance can transfer heat or electricity?
magnetism
conductivity
density
solubility
Serena is mixing a material into a beaker filled with a liquid. She notices that the material seems to disappear into the liquid. What physical property of the material is Serena most likely observing?
solubility
conductivity
magnetism
density
Eugene describes the physical property of a material as “sweet and floral.” What physical property of the material is Eugene most likely observing?
boiling point
shape
hardness
odor
Which statement best compares and contrasts two physical properties of matter?
Density and solubility are similar because they both involve water, but they are different because density involves dissolving a material and solubility involves floating or sinking a material.
Density and solubility are similar because they both involve a material’s mass and volume, but they are different because density involves floating materials and solubility involves sinking materials.
Boiling points and melting points are similar because they both involve changing the heat of a material, but they are different because boiling point involves adding heat to a material and melting point involves removing heat from a material.
Boiling points and melting points are similar because they both involve the change in a state of a material, but they are different because boiling point involves a change from a liquid to a gas and melting point involves a change from a solid to a liquid.
What happens when a substance undergoes a physical change?
Some physical properties change, but the substance keeps its identity.
No physical properties change, and the substance keeps its identity.
Some physical properties change, and the substance changes its identity.
No physical properties change, but the substance changes its identity.
Which can occur in a physical change?
The mass can increase.
The particles can arrange in different ways.
The mass can decrease.
The atoms can bond to different atoms.
When liquid gold becomes a solid, its particles get closer together. Which best describes what happened to the gold?
the conservation of magnetism
the change in solubility in a physical change
the change in melting point in a physical change
the rearrangement of particles in a physical change
What is an example of a physical change?
having less ash than the paper that was burned to form it
ice forming and then melting back into water
rust having a different identity than the iron it forms on
the irreversible reaction of vinegar and baking soda
Which statement about the physical change of liquid water boiling into steam is true?
The heat added represents an energy change.
The action cannot be reversed.
The steam cannot conserve mass.
The weight lost represents a mass change.
The Statue of Liberty is made of copper that has turned green because it has undergone a change. What can be said about this change?
The change is a physical change because the copper in the statue is still there.
The change is a physical change because a new chemical is formed on the outside of the statue.
The change is not a physical change because the color of the statue has changed.
The change is not a physical change because a new chemical is formed on the outside of the statue.
Which scenario is an example of a physical change?
Wood is burned in a campfire and is turned into ash and smoke.
A piece of metal is left in the rain and forms rust.
Lead is melted into a liquid to form pellets.
Yeast turns sugar into energy, water, and carbon dioxide gas.
A scientist is examining an unknown solid. Which procedure would most likely help determine a chemical property of the substance?
heating it to find the temperature at which it melts
exposing it to a flame to see if it catches on fire
hitting it with a hammer to determine if it breaks or bends
placing it in water to find out whether or not it dissolves
Which characteristic of a substance is considered a chemical property?
its boiling point
its reactivity
its density
its conductivity
Which statement best describes chemical properties of matter?
Chemical properties, such as density, must be observed when a substance is in its natural state at room temperature and normal atmospheric pressure.
Chemical properties, such as reactivity, must be observed when a substance is in its natural state at room temperature and normal atmospheric pressure.
Chemical properties, such as combustibility, are generally observed as the identity of a substance changes and one or more new substances form.
Chemical properties, such as boiling point, are generally observed as the identity of a substance changes and one or more new substances form.
Which use of iron is due to its chemical properties?
producing colored sparks in fireworks
changing from liquid to gas at 2,862°C
conducting electricity and heat
changing from solid to liquid if heated to 1,538°C
Which statement best describes what happens during a chemical change?
Some properties of a substance change, but its identity remains the same.
Both the identity and the properties of a substance change.
The chemical properties of a substance change, but its physical properties remain the same.
The physical properties of a substance change, but its chemical properties remain the same.
In a science lab, Cash mixes two clear liquids together in a beaker. Bubbles are produced, and a white solid forms and settles to the bottom. He plans to heat the beaker over low heat and make more observations. In a science lab, Cash mixes two clear liquids together in a beaker. Bubbles are produced, and a white solid forms and settles to the bottom. He plans to heat the beaker over low heat and make more observations.
A physical change occurred, so if Cash heats it, the white solid will dissolve to form the original mixture of clear liquids.
A physical change occurred, so even if Cash heats it, the white solid will remain.
A chemical change occurred, so if Cash heats it, the white solid will dissolve to form the original mixture of clear liquids.
A chemical change occurred, so even if Cash heats it, the white solid will remain.
What is the outcome of all chemical changes when two substances are combined?
A new substance forms with identical properties.
The two substances release an odor.
The two substances change color.
A new substance forms with different properties.
Which laboratory activity involves a chemical change?
boiling saltwater for several minutes until only solid salt remains
extracting iron filings from a sand mixture using a magnet
leaving a copper penny in vinegar until it turns green
crushing a rock with a hammer to extract mineral deposits
Which event always involves a chemical change?
boiling
melting
conducting
burning
In a solid, particles ________________
move freely
slide past one another
have large amount of energy
do not have much room to move
How do particles act in a liquid?
Every particle stays in one spot.
Particles spread far apart from one another.
Particles slide past one another
Particles squeeze together to fit into small spaces.
Julie places 3 cubes on the table. One is made of copper, one is made of ice, and one of nickel. The sides of each cube is exactly 2.5 cm long. What do all 3 cubes have in common?
the same density
the same volume
the same weight
the same temperature
If you __________ liquid, it becomes a gas.
boil
freeze
melt
thaw
Anything with definite volume, but not definite shape is a
gas
solid
liquid
mass
Anything with definite volume, shape, and mass is a
liquid
solid
gas
mass
Identify the particles.
solid
liquid
gas
none
Identify the particles.
solid
liquid
gas
none
Identify the particles .
solid
liquid
gas
none
_______________ is anything that has mass and takes up space.
Volume
Mass
Matter
Particles
Which combination correctly identifies matter that has a definite volume?
liquids and gases
solids and liquids
solids and gases
solid, liquid, and gas
The picture shows a solid floating in a liquid. Which of the following statements describes one way that solids are different from liquids?
Solids have mass and liquids do not.
Solids take up space and liquids do not.
Solids have a definite shape and liquids do not.
Solids have a definite volume and liquids do not.
To calculate the volume of a solid that has a rectangular shape, all of the following measurements are needed EXCEPT _____.
length
height
weight
width
Air has no color and cannot be seen, yet it takes up space. What could be done to show that air takes up space?
Blow up a beach ball or balloon
Measure the air temperature
Observe clouds forming
Weigh a glass before and after it is filled with water
The circles in the bottles represent the same particles of matter. Which pattern of particles represents a gas in a bottle?
1
2
3
4
Not knowing technically what density is yet, what does your gut tell you? Which is "more dense", the balloon of air or the bowling ball? What makes you think that?
Which diagram shows the MOST dense object?
left
center
right
Which diagram shows the LEAST dense object?
left
center
right
Rank the objects from MOST dense to LEAST dense.
left, center, right
right, center, left
left, right, center
right, left, center
center, left, right
A block of aluminum occupies a volume of 15.0 mL and weighs 45.0 g. What is its density?
3 g/mL
0.3333 g/mL
675 g/mL
I have no idea
A sample of liquid has a mass of 300 g and occupies 50 mL in a graduated cylinder. What is the density?
15,000 g/mL
.16667 g/mL
6 g/mL
Yup, still no clue
How are you feeling about your ability to apply the density formula to calculate density?
This is pretty easy for me
As long as I have the formula in front of me I think I'll be alright
Numbers and math scare me so I have no confidence even if I'm doing it right
I can't follow what we're doing so I should probably watch the Edpuzzle and Notes and maybe come for extra help
What is the volume of the fish?
18.0 mL
6.0 mL
38.0 mL
32.0 mL
volume
l x w x h?
The ability of sugar to dissolve in water is called
malleability
Density
State
solubility
True or false. Your mass would change if you went to another planet.
True
False
True or False. Melting butter is a physical change
True
false
What is a positive ion called?
anion
cation
isotope
covalent
What is a negative ion called?
anion
cation
covalent
isotope
How many electrons would a Nitrogen ion gain/lose? If it has 5 valence electrons.
lose 5
gain 5
lose 3
gain 3
What is the ion formed from Sulfur? If it has 6 valence electrons.
S+2
S-2
S+6
S-6
How many electrons would a Calcium ion gain/lose? If it has 2 valence electrons.
lose 1
gain 1
lose 2
gain 2
If an atom loses electrons, the charge will be positive.
true
false
A Bromine ion gains 1 electron, which of the following is the correct symbol for a Bromine ion?
Br-1
Br+1
Br+7
Br-7
An atom with 2 protons, 3 neutrons, and 4 electrons has a charge of ____.
+2
-2
+3
0
If an element has 3 valence electrons, what charge will likely form on its ion ?
+3
+5
-3
-5
Na has 1 valence electron. It will have a charge of _______
+1
+2
-1
-2
Be has 2 valence electron. It will have a charge of _______
+1
+2
-1
-2
Ca has 2 valence electron. It will have a charge of _______
+1
+2
-1
-2
Al has 3 valence electron. It will have a charge of _______
+3
-3
+2
-2
P has 5 valence electron. It will have a charge of _______
+3
-3
+2
-2
S has 6 valence electron. It will have a charge of _______
-2
-1
+1
+2
Iodine has 7 valence electron. It will have a charge of _______
-2
-1
+1
+2
F has 7 valence electron. It will have a charge of _______
-2
-1
+1
+2
Oxygen has 6 valence electron. It will have a charge of _______.
+1
-1
+2
-2
Isotopes of an element have a different number of...
Protons
Neutrons
Electrons
Mass
Potassium-39 has how many neutrons?
19
18
20
21
Nickel-59 has how many neutrons?
30
31
32
33
Bromine-80 has how many neutrons?
41
42
44
45
76 protons and 114 neutrons
Osmium-114
Osmium-76
Osmium-190
Osmium-190.23
12 protons and 13 neutrons
Mg-12
Mg-13
Mg-25
Mg-24.305
9 protons and 9 neutrons
Fluorine-18
Fluorine-9
Fluorine-16
Fluorine-18.998
Rubidium has two common isotopes, 85Rb and 87Rb. If the abundance of 85Rb is 72.2% and the abundance of 87Rb is 27.8%, what is the average atomic mass of rubidium?
85.468 amu
37 amu
85.6 amu
86.4 amu
There are two primary isotopes found in any sample of copper: copper-63 and copper-65. The isotope 65Cu composes 69.2% of the sample and 63Cu comprises the other 30.8%. Based on this data, what is the atomic mass of copper?
29 amu
63.546 amu
64.4 amu
63.6 amu
How do you calculate mass number?
Mass x percent
Protons + Electrons
Protons + Neutrons
Neutrons + Protons + Electrons
The periodic table has ____ periods (rows) and ____ groups (columns).
18, 7
7, 18
8, 4
4, 8
Which scientist created the first periodic table?
Dmitri Mendeleev
Isaac Newton
Albert Einstein
John Dalton
Metals are found on the ____ side of a periodic table and nonmetals are found on the ___ side.
left, right
right, left
Atomic number tells you _________.
the number of protons in an atom
the number of electrons in an atom
the number of neutrons in an atom
the atomic mass of an atom
Which element has an atomic number of 12?
Magnesium
Carbon
Sodium
Scandium
Which element has an atomic mass of 10.81?
Boron
Carbon
Neon
Sodium
You can find the _____ an atom has by subtracting "atomic mass - number of protons".
number of neutrons
number of electrons
atomic mass
atomic number
The first energy shell can hold up to __ electrons. The second energy shell can hold up to __ electrons. The third energy shell can hold up to __ electrons.
2, 8, 18
2, 8, 16
2, 4, 8
2, 6, 14
Why do atoms create bonds with other atoms?
to get a full outer shell
to make colorful compounds
to find atoms with the same number of electrons
because they are lonely
When two or more different types of atoms bond, they create a _____ such as NaCl.
compound
concoction
potion
mixture
What is the atomic number of Neon?
10
20.1797
20
2
What is the atomic mass of neon?
10
20.1797
2
45.987
The atomic number tells you the number of protons or _____ in a neutral atom of that element.
electrons
neutrons
photons
particles
Atomic mass is the number of ______ + _______.
protons, neutrons
neutrons, electrons
protons, electrons
Calculate the number of NEUTRONS a boron atom would have.
5
10.811
6
11
A boron atom would have ___ protons and ___ electrons.
5, 5
5, 6
6, 11
5, 10.811
Which of the following elements is in PERIOD 2?
Beryllium
Hydrogen
Helium
Aluminum
Which of these elements is found in GROUP 2?
Magnesium
Lithium
Sodium
Helium
What is the atomic mass of Nitrogen?
14.01
7
12.01
9
What is the atomic number of oxygen?
8
16
15.9994
9
