Term 1 Final review Grade 7

Term 1 Final review Grade 7

by Danelle Ackerman

Multiple Choice

What kind of matter is this?

• Element

• Compound

• Mixture

Multiple Choice

What kind of matter is this?

• Element

• Compound

• Mixture

Multiple Choice

What kind of matter is this?

• Element

• Compound

• Mixture

Multiple Choice

What kind of matter is salt (NaCl)?

• Element

• Compound

• Homogeneous Mixture

• Heterogeneous Mixture

Multiple Choice

What kind of matter is soil?

• Element

• Compound

• Homogeneous Mixture

• Heterogeneous Mixture

Multiple Choice

What kind of matter is milk?

• Element

• Compound

• Homogeneous Mixture

• Heterogeneous Mixture

Multiple Choice

What kind of matter is Iron (Fe)?

• Element

• Compound

• Homogeneous Mixture

• Heterogeneous Mixture

Multiple Choice

What kind of matter is water (H₂O)?

• Element

• Compound

• Homogeneous Mixture

• Heterogeneous Mixture

Multiple Choice

Mass, relative density, solubility, color, texture, state of matter, conductivity, etc.

• Physical state
• Insulators
• Physical Properties 
• Inferences

Multiple Choice

Molecules spread out and move FAST!

• solid
• gas
• liquid

Multiple Choice

Molecules are tightly packed together

• solid
• liquid
• gas

Multiple Choice

The ability of a substance to dissolve is called...

• malleability
• ductility
• solubility

Multiple Choice

The 3 State of Matter are?

• Idaho, Texas, and Florida
• Matter, Mass, and Weight
• Solids, Liquids, and Gas
• Steel, Copper, and Brass

Multiple Choice

Which box has a higher density?  

• Box A
• Box B
• cannot be determined
• they are the same

Multiple Choice

which of these example is a physical change?

Multiple Choice

is the picture chemical or physical

• chemical

• physical

Multiple Select

which one is not an indicator of a chemical change

• formation of gas

• formation of a solid

• formation of liquid

• change of colour

• change in temperature

Multiple Choice

An ice cream cone melts in a kid's hand while walking outside on a hot summer day. What is this an example of?

• Physical property

• Chemical property

• Physical change

• Chemical change

Multiple Choice

A silver ring gets tarnished (becomes dull) as a result of being exposed to air and moisture. What is this an example of?

• Physical property

• Chemical property

• Physical change

• Chemical change

Multiple Choice

Water boils at 100˚C. What is this an example of?

• Physical property

• Chemical property

• Physical change

• Chemical change

Multiple Choice

Benzene is a compound that is highly flammable. What is this an example of?

• Physical property

• Chemical property

• Physical change

• Chemical change

Multiple Choice

What happens in ALL chemical changes?

• Change in state of matter
• A new substance is formed
• Bubbles are produced
• An explosion

Multiple Choice

Which of the following tells you that a chemical change may have occurred?

• Change Shape
• Melting
• Vaporizing
• Change in color

Multiple Choice

Which of the following is NOT a clue that a chemical reaction has taken place?

• Changing size

• Changing color

• A gas being formed

• Formation of a precipitate (solid material forms in the solution)

Multiple Choice

Which of the following IS a clue that a chemical change has occurred? 

• State of matter change
• Size Change
• Change in temperature
• Shape change

Multiple Choice

Which of the following is a sign that a chemical reaction has occurred?

• change in shape
• melting
• formation of a gas
• dissolving

Multiple Choice

All matter is made of ___________.

• only protons

• only neutrons

• only electrons

• atoms

Multiple Choice

An atom is the smallest unit of a substance that still has properties of a substance.

• True

• False

Multiple Choice

Which person in history believed that matter was made of earth, fire, water, and air?

• Aristotle

• Beethoven

• Chadwick

• Dalton

Multiple Choice

Which person in history stated that atoms of one element are identical to each other but different from atoms of other elements?

• Aristotle

• Beethoven

• Chadwick

• Dalton

Multiple Choice

What is an atom mostly made of?

• air

• empty space

• neutrons

• protons

Multiple Choice

What is the charge of a proton?

• positive

• negative

• neutral

Multiple Choice

What is the charge of a neutron?

• positive

• negative

• neutral

Multiple Choice

What part of an atom determines the element that it belongs to?

• proton

• neutron

• electron

• atomic mass

Multiple Choice

Mass Number = __________

• protons + electrons

• neutrons + electrons

• protons + neutrons

• protons - neutrons

Multiple Choice

Atomic Number = number of ______

• protons

• neutrons

• electrons

• protons + neutrons

Multiple Choice

Atoms of the same element can have different mass numbers?

• true

• false

Multiple Choice

If an atom has a positive or negative charge we call it a(an) ____.

• excited atom

• isotope

• positive/negative atom

• ion

Multiple Choice

What determines the order of elements on today's periodic table?

• increasing atomic mass

• decreasing atomic mass

• increasing atomic number

• decreasing atomic number

Multiple Choice

From this element key of Nitrogen, determine the atomic mass of nitrogen

• 7

• 7.01

• 14.01

• 21.01

Multiple Choice

Which is NOT a property of metals?

• brittleness

• conductivity

• ductility

• luster

Multiple Choice

Where are most metals on the periodic table?

• on the left side only

• on the right side only

• in the middle only

• on the left side and in the middle

Multiple Choice

The table above lists some information about certain elements in group 17. Which statement describes what happens to these elements as atomic number increases?

• Both melting point and boiling point decrease.

• Melting point increases and boiling point decreases.

• Melting point decreases and boiling point increases.

• Both melting point and boiling point increase.

Multiple Choice

What is the chemical symbol of this element?

• 8

• O

• Oxygen

• 15.999

Multiple Choice

What does A represent on an element box?

• Element name

• Element symbol

• Atomic Number

• Atomic Mass or Mass Number

Multiple Choice

Use the table.

An unknown substance is a semi-conductor and is very brittle. This unknown substance could be which of the following elements form the table?

• Copper

• Mercury

• Boron

• Hydrogen

Multiple Choice

Use the Table.

An unknown substance takes the shape of its container and has a mirror like luster. This unknown substance could be which of the following elements from the table?

• Mercury

• Hydrogen

• Boron

• Copper

Multiple Choice

An unknown substance is a very good conductor of heat and electricity and can be bent and shaped easily. This unknown substance could be which of the following elements form the table?

• Boron

• Mercury

• Hydrogen

• Copper

Multiple Choice

The property of metals by which they can be beaten in to thin sheets is called

• Sonority

• Malleability

• Ductility

• None of the above

Multiple Choice

The property of metals by which it can be drawn into wires is

• Malleability

• Sonority

• Lustrous

• Ductility

Multiple Choice

Metals are good conductor of

• Only heat

• Only electricity

• Heat and electricity both

• None of the above

Multiple Choice

Which of the following is a physical characteristic of a metalloid?

• texture
• malleable
• brittle
• semi-conductor

Multiple Choice

An element has properties of both metals and nonmetals. Where would it be found in the periodic table? 

• To the right 
• To the left 
• on the zig zag line

Multiple Choice

What does brittle mean?

• Breaks into pieces
• can be hammered into thin sheets
• No shine
• reflects light shiny 

Multiple Choice

Elements in the shaded area can best be described as -

• Semi-conductors

• Insulators

• Ductile

• Siny

Multiple Choice

Elements in the shaded area can best be described as -

• Shiny and brittle

• Insulators

• Good conductors

Multiple Choice

Look at the periodic table that is provided. Where would nonmetals be located? 

• to the left of the table 
• to the right of the table 
• in the zigzag line 

Multiple Choice

What is speed?

• how far you go
• how much distance is covered over a period of time
• how fast you accelerate
• the change in the location of a object

Multiple Choice

What is velocity?

• the quickness of an object
• the location of an object
• acceleration
• speed in a specific direction

Multiple Choice

Can be measured in meters per second (m/s)

• Distance
• Time
• Speed
• Acceleration

Multiple Choice

A distance vs. time graph shows an object's

• frame of reference
• speed
• acceleration
• favorite food

Multiple Choice

Change in speed over a given period of time is

• velocity
• motion
• speed
• acceleration

Multiple Choice

_______ is the length of the path between two points.

• distance

• reference

• statistic

• law

Multiple Choice

An object is in ____ if its position changes relative to another object.

• motion

• reference

• gravity

• stationary

Multiple Choice

Jeff is in a stationary school bus. Which is the best reference point for him to use to determine when the bus starts to move?

• the front entrance of the school

• the school bus sitting next to him

• a car waiting to pick up another student

• a student walking on the sidewalk

Multiple Choice

A ______ is a place or object used for comparison to determine if something is in motion.

• reference point

• potent potable

• cross interestion

• slope

Multiple Choice

You walk 10 meters to math class in 20 seconds. Your average speed is

• 2 m/s
• 0.5 m/s
• 200 m/s
• 5 m/s

Multiple Choice

When something has speed in a certain direction it is called ___________.

• motion
• position
• velocity
• speed

Multiple Choice

If Mr. Deem is walking 3 m/s to the north and Mr. Silvio is walking 3 m/s to the west, then which of the following is true

• They have the same speed and different velocities

• They have the same velocity and different speeds

• They have the same speed and velocity

• They have different speeds and different velocities