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WorksheetsPhysical Science Review 6th-8th Grade
Total questions: 60
Worksheet time: 30mins
What is the formula for calculating density?
D = m x v
D = m/v
D = v/m
D = v x m
Which of the following is a chemical property?
boiling
density
rusting
magnetism
Which of the following is a physical property?
combustion
solubility
flammability
ability to rust
When sugar is dissolved in water, what is the solvent?
sugar
water
When sugar is dissolved in water, what is the solute?
sugar
water
The rate at which heat or electricity passes through a material is called
solubility
conductivity
magnetism
density
Which of the following is an example of a compound?
water
carbon
oxygen
sodium
Which of the following is an element?
gold
salt
sugar
water
What do groups on the periodic table represent?
elements with similar chemical properties
elements with different chemical properties
compounds with similar chemical properties
compounds with different chemical properties
Which type of element is most abundant on earth?
metals
nonmetals
metalloids
Which part of an atom has a positive charge?
proton
neutron
electron
Which part of an atom has a negative charge?
proton
neutron
electron
Which part of an atom has no charge?
proton
neutron
electron
Select the particles located in the nucleus
protons
neutrons
electrons
Which of the following indicates the number of protons in an atom?
atomic mass
atomic number
group number
period number
Do solids, liquids, or gases have the most energy?
solids
liquids
gases
What is the smallest unit of an element?
compound
atom
mixture
solute
Which is true about the properties of a compound?
They have different properties than the elements that form them.
They have the same properties as the elements that form them.
Select the properties of an acid
bitter
sour
reacts with metal
slippery
Select the properties of a base (alkaline).
sour
bitter
slippery
reacts with metal
What substance is formed through the neutralization of an acid and a base?
salt
sugar
element
mixture
Gold, silver, and oxygen are examples of...
elements
compounds
mixtures
Salt, sugar, and water are examples of...
elements
compounds
mixtures
Salt water, sand, and tea are examples of...
mixtures
elements
compounds
What type of mixture is trail mix?
homogenous
heterogeneous
What type of mixture is sugar water?
homogeneous
heterogeneous
Which is another name for a homogeneous mixture?
solution
compound
alkaline
solvent
Which of the following is an example of a chemical change?
melting butter
boiling water
freezing soda
mixing baking soda and vinegar
Which of the following is an example of a physical change?
water evaporating
burning wood
rusting bicycle
fireworks
Which of the following results in a new substance?
chemical change
physical change
In a chemical reaction, how should the mass of product compare to the mass of reactant after the reaction?
the reactant and product should be equal
the reactant should be destroyed
the reactant will be less than the product
the reactant will be more than the product
How does temperature influence chemical reactions?
it increases the reaction rate
it decreases the reaction rate
it has no effect on the reaction rate
it equalizes the reaction rate
At what temperature in Celsius does water freeze?
0
32
100
212
At what temperature in Celsius does water boil?
0
100
32
212
What temperature in Celsius is room temperature?
0
100
20
32
Which type of electromagnetic wave has the MOST energy?
radio
gamma
visisble
x-ray
Which type of electromagnetic wave has the LEAST amount of energy?
radio
gamma
ultraviolet
microwave
Which is true about waves?
Waves travel at different speeds through different substances
Waves travel at the same speed through all substances
Waves always travel slowest through air
Waves always travel quickest through a vacuum
The bending of light
refraction
reflection
absorption
Light being soaked up
refraction
reflection
absorption
Light being bounced
reflection
refraction
absorption
What happens to energy in a system?
It is transformed
It is created
It is destroyed
It is equal
What is stored energy?
potential
kinetic
mechanical
What is the energy of motion?
kinetic
potential
mechanical
What is stored energy plus the energy of motion?
potential
kinetic
mechanical
How does heat flow?
hot to cold
cold to hot
up
down
When two substances in contact reach the same temperature, they are said to be in...
thermal equilibrium
sync
harmony
mixture
Which has a LOW specific heat?
metals
water
Which has a HIGH specific heat?
water
metals
Select all conductors.
aluminum
copper
wood
silver
Select all the insulators.
brass
plastic
rubber
cotton
Which of the following is a CONTACT force?
gravity causing an apple to fall
magnet moving a paper clip
bat hitting a ball
hot balloon floating
Which of the following is a NON-CONTACT force?
gravity
spring
tension
applied
Opposite forces
attract
repel
Same forces
attract
repel
Gravity depends on...
mass and distance
mass and weight
volume and mass
density and weight
What does weight depend on?
location and amount of gravity
amount of mass
nothing
volume
Balanced force =
no change (no acceleration)
change in acceleration
Unbalanced force =
no change (no acceleration)
change in acceleration
What would the line look like on a time/distance graph for an object at rest?
flat horizontal (no slope)
diagonal (positive slope)
straight up
diagonal (negative slope)
