Aim: What information do we need to know for our
test on chemical interactions?
Objective: Students will understand what information
they are required to know for their test.
Do now: Draw a model for the chemical formula
CuCO4.
Mini lesson:
-Review of information on exam
Work/share:
-Flash Review game
-Closing: Review of day
Homework: STUDY!
Things to study:
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The periodic table (what it is and how to use it)
How to read a chemical formula
How to create a model of a compound
How to interpret the model of a compound
What a chemical reaction is and examples
Be able to write a hypothesis based on an
experiment
• Be able to identify independent and dependent
variables
Know your vocabulary words
Vocabulary Words
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1) Particle
2) Atom
3) Element
4) Compound
5) Molecule
6) Bond
7) Electron
8) Proton
9) Neutron
10) Periodic table
11) Atomic mass
12)Atomic Number
13) Chemical Reaction
14) Products
15) Reactants
16) Hypothesis
17) Independent Variable
18) Dependent Variable
• The elements Carbon (C), Silicon (Si), Gallium (Ga),
and Indium (In) are all in the same group because
they…
• 1) are metals
2) similar chemical properties
• 3) react in similar ways
4) are noble gases
• Elements are arranged in rows by there…
• 1) atomic mass
2) atomic number
• 3) symbols
4) discovery date
• Carbon dioxide (CO2) is not found on the
Periodic Table of Elements because carbon
dioxide is…
• 1) an atom
2) a mixture
• 3) a liquid
4) a compound
• What is the chemical symbol for the element
Bromine?
• What is the atomic number of an element?
• What is the atomic mass of an element?
• What do the line symbols ( ) represent in
between the atoms on the compound below?
• 1) atoms
2) sticks
• 3) bonds
4) electrons
• What is the smallest particle called that makes
up all living matter?
• Write the chemical formula for the compound
below.
• How many atoms are in the compound
below?
• How many kinds of elements are in the
compound below?
• Draw a model of the atoms for the following
chemical compound: H2CSi4
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An electron has what type of charge?
1) positive
2) neutral
3) negative
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A proton has what type of charge?
1) positive
2) neutral
3) negative
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A neutron has what type of charge?
1) positive
2) neutral
3) negative
• Are individual proton, electron, and neutron
particles larger or smaller than an atom?
• Where are protons and neutrons located in an
atom?
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1) the nucleus
2) the outer shells
3) all over the atom
4) in a corner of the atom
• Where are electrons located in an atom?
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1) the nucleus
2) the outer shells
3) all over the atom
4) in a corner of the atom
• 20) Carbonic acid is added to a beaker
containing a piece of Copper. As a result,
copper fluoride is formed and carbon gas is
released. This is an example of….
• Which action will create a mixture?
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1) crushing chalk
2) mixing sand and dirt
3) burning paper
4) denting a car
• What is a material made up of 2 or more
substances that can be separated by physical
means?
• 1) Element
• 3) substance
2) Compound
4) mixture
Substance can be defined by
• 1) anything that can be defined by a unique
property
• 2) the smallest piece of a substance that is
still that substance
• 3) two or more substances together
• 4) anything that has mass and takes up space
• A chemical reaction is…
• 1) when two substances come together and
bubbling instantly starts
• 2) When 2 substances come together and they
instantly there is a drastic temperature change
• 3) an interaction during which starting substances
change into new (different) substances
• 4) all of the above
• Which scientific model could be used to
predict the properties of an element?
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1) data table
2) Punnett square
3) Weather map
4) Periodic Table
• Which action forms a different chemical
substance?
1) crushing a rock
2) Dissolving sugar into water
3) Burning a match
4) melting an ice cube
• Which event below is an example of a
chemical change?
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1) A baseball breaks a window
2) An ice cube melts
3) Paint cracks and chips off of a house
4) Exposed metal on the railing rusts
• Which 2 substances had a chemical reaction?
Limestone and acid
• List one observation that indicates a chemical
change from the diagrams below.
Limestone and acid
• Name another example besides bubbling that
indicates that a chemical change took place.
• What group of elements do not react with
other elements to create compounds?
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1) Noble Gases
2) Alkali Metals
3) Transition Metals
4) Nonmetals
• A student determined that shaking a container
of sand caused the sand particles to become
smaller. The student then performed a new
experiment to see if shaking a container of
pebbles would cause the pebble particles to
become smaller.
• Write a hypothesis for the new experiment.
• A student determined that shaking a container
of sand caused the sand particles to become
smaller. The student then performed a new
experiment to see if shaking a container of
pebbles would cause the pebble particles to
become smaller.
• Name the dependent variable of the
experiment.
Dependent Variable Answer
• Size of sand or pebble
• A student determined that shaking a container
of sand caused the sand particles to become
smaller. The student then performed a new
experiment to see if shaking a container of
pebbles would cause the pebble particles to
become smaller.
• Name the independent variable of the
experiment.
Independent Variable Answer
• Shaking the container
Vocabulary Words
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1) Particle
2) Atom
3) Element
4) Compound
5) Molecule
6) Bond
7) Electron
8) Proton
9) Neutron
10) Periodic table
11) Atomic mass
12)Atomic Number
13) Chemical Reaction
14) Products
15) Reactants
16) Hypothesis
17) Independent Variable
18) Dependent Variable