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WorksheetsScience 1-3
Total questions: 132
Worksheet time: 4hrs 6mins
Which of the following is a compound?
Si
CO2
Cl
He
Ti
Which of the following represents an element?
H2O
HCl
NaCl
Au
CaCO3
This picture represents which of the following?
element
compound
This picture represents which of the following?
element
compound
What is NOT made up of two or more elements that are chemically combined?
Element
Compound
Mixture
Solid
Liquid
How many elements are there in CuSO4?
1
2
3
4
5
Which of the following substance is NOT a compound?
Carbon dioxide
Hydrogen
Salt
Sugar
The smallest building block of all matter is the ________.
molecule
atom
element
compound
A(n) _______ is a pure substance made up of just one kind of atoms.
compound
element
atom
period
The _____________organizes all the elements and shows their symbols and atomic weights.
Periodic Table of the Elements
Elemental Table of the Periods
Element Table of the Atoms
Periodic Table of the Compounds
Water, salt, sugar, and other common items are __________.
elements
compounds
energy
tables
The biosphere means ___________.
the air we breathe
rocks and soil
all living things on Earth
all of the water on Earth
The hydrosphere is _____________.
rocks and soil
all living things on Earth
all of the water on Earth
the air we breathe
T or F: Everything we know of in the universe is made up of combinations of the 118 known elements.
TRUE
FALSE
A chemical change is a change in
an item's properties such as size, shape, density
an item that creates a new substance, releases light or heat
an item's sound
an item's look or state of matter
A physical change is a change
in an item's properties like its shape, size or density.
that creates a new substance or emits light or heat
that creates a smell
that cannot be undone
Identify the change:
Glass breaking
Physical
Chemical
Identify the change:
Wood burning
Physical
Chemical
Bending metal
Physical Change
Chemical Change
Boiling Water
Physical Change
Chemical Change
Ice cream melting
Physical Change
Chemical Change
A Candle Burning
Physical Change
Chemical Change
Is a rusting bicycle a chemical or physical change?
When salt dissolves is water, that is a _____.
When an object changes shape when struck by a hammer it is said to be...
luster
malleable
brittle
ductile
Elements in the shaded area can best be described as -
Shiny and brittle, semiconductors
Insulators
Good conductors
The elements argon, krypton, and xenon are all non-metals.What property would these elements have in common?
Good conductor of thermal energy
Poor conductor of electricity
Shiny, lustrous surface
Soft and malleable
Carbon is dull and brittle. Carbon is a
metal
nonmetal
metalloid
Is Sulfer Metal, Non Metal or Metalloid?
Metalloid it has properties of both Metals and Non Metals.
Non Metal
Dull luster
Brittle not Malleable and does not conduct electricity or heat.
Metal
Luster Metallic
Conducts electricity
left side of Periodic Table
It is a noble gas
Which two un-kown substance are Metals?
Substance 1
Substance 2
Substance 3
Substance 4
A compound element has more than one type of atoms.
example H20
2 Hydrogen atoms and 1 Oxigen atoms.
HCL 1 Hidrogen 1 Clorine
What is a Compound element?
Write a formula for compound element and the example of a molecule
How will this object move?
It will not move
It will move in both directions
It will move to the right
It will move to the left
If forces are going in the same direction, you should
add the forces
subtract the forces
multiply the forces
divide the net force
What is the net force?
40 N left
0 N Balanced
400 N right
40 N right
Which of the following is an example of an unbalanced force?
The unit for force is called
Metre
Newton
Galileo
Archimedes
The sum of all forces acting on an object is
balanced.
unbalanced.
friction
the net force
What are balanced forces?
forces of the same size, in opposite directions
the same size in the same direction
forces in opposite directions
forces at right angles to each other
Two forces on an object are in the same direction. How do we calculate the resultant force?
take away one from the other
multiply them
divide one by the other
add them together
What is the net force?
17 N Right
3 N Right
3 N Left
17 N Left
If these teams are pulling with the same amount of force what will happen?
The boy in blue will win.
They will not move at all.
The boy in red will win.
Both will fall down.
When you compress a spring, you are storing __________ energy.
sound
elastic
light
chemical
Which passenger has the most potential energy?
A
B
C
D
The formula for calculating the gravitational potential energy in an object is shown above. Which object will have the largest value for its GPE
If these are all moving at the same speed, the vehicle with the greatest KE would be
(Think about their sizes)
Determine whether the following example is Potential Energy (PE) or Kinetic Energy (KE):
flashlight turned off
Potential Energy
Kinetic Energy
The faster an object moves, the ________ kinetic energy it has.
More
Less
What would have the greatest kinetic energy?
A car driving down a hill.
A person running down a hill.
A ball rolling down a hill.
Which is the best example that something has kinetic energy?
a car parked at the top hill
a rolling tennis ball.
a picture hanging on the wall
a piece of coal before it's burned
What is kinetic energy?
Heat energy
energy of gravity
energy of motion
chemical energy
What two factors affect an object's kinetic energy?
area and volume
mass and volume
weight and height
mass and speed
Where would this baseball have the least amount of kinetic energy?
W
X
Y
Z
Where would this baseball have the greatest amount of kinetic energy?
W
X
Y
Z
Increasing an object's mass will increase its kinetic energy.
True
False
Increasing an object's speed will increase its kinetic energy.
True
False
What kind of energy is in a rock at the edge of a cliff?
potential
Kinetic
What kind of energy is in a moving skateboard?
Potential
Kinetic
What kind of energy is in a stretched rubber band?
Potential
Kinetic
At which point is potential energy greatest?
W
X
Y
Z
Listen and fill in the blank:
"Can you make a ramp that is on a slant? Oh hey, it's an ___________"
lever
inclined plane
pulley
A lever is a stiff bar that rests on a support (fulcrum). A lever is used to lift and move things. When you push down on one end, the other end lift up.
Which picture below shows a lever?
Which picture shows an inclined plane?
Problem
A student walks 3 km in 20 minutes. What is the student’s average speed in km/h
12
9
7
6
Problem
A car travels 10 km in 15 minutes. What is the average speed of the car?
25 km/h
20 km/h
40 km/h
45 km/h
Problem
A dog runs 6 km in 30 minutes. What is the dog’s average speed in km/h?
25
180
12
5
Carleton walked for a while, stopped to sit on a bench in the park, and then ran the rest of the way home.
Carleton ran all the way from school to home going the same constant speed and never stopping.
Carleton waited around after school for his friend, and then they ran home together.
Carleton ran for a long time, then slowed down to walk the rest of his trip. Once he got home, he sat down on the couch.
Jessica ran all the way from school to home going the same constant speed and never stopping.
Jessica waited around after school for her friend, and then they ran home together.
Jessica ran for a long time, then slowed down to walk the rest of her trip. Once she got home, she sat down on the couch.
Jessica walked for a while, stopped to sit on a bench in the park, and then ran the rest of the way home.
Problem
Which of the following best describes the speed of an object?
14 m/s2
14 m/s south
14 m/s
14 m south
0.8 m/s
0.08 m/s
1.25 m/s
0.125 m/s
Sam ran for a long time, then slowed down to walk the rest of his trip. Once he got home, he sat down on the couch.
Sam waited around after school for his friend, and then they ran home together.
Sam walked for a while, stopped to sit on a bench in the park, and then ran the rest of the way home.
Sam ran all the way from school to home going the same constant speed and never stopping.
7. How fast are you going if you walk 24 km in 3 hours?
72 km/h
36 km/h
27 km/h
8 km/h
#4 Show all your work on your answer document.
4.5 m/s
0.22 m/s
175 m/s
11250 m/s
#10 Show all your work on your answer document. (Average speed = total distance / total time)
6.25 km/min
21 m/s
0.16 km/min
100 m/s
#9 Show all your work on your answer document. (Average speed = total distance / total time)
1.6 km/min
1.6 m/s
0.625 km/min
0.625 m/s
#2 Show all your work on your answer document.
400 m/min
0.0025 m/min
3600 mi/hr
40 m/s
Ms. H rides her unicorn to the mall. The mall is 2400 meters from her home and it takes her 12 minutes to get to the mall. What is Ms. H's average speed in meters per minute?
200 m/m
150 m/m
220 m/m
250 m/m
How fast is uncle Billy running if it takes him 30 minutes to travel 240 meters?
10 m/m
6 m/m
8 m/m
5 m/m
What is the speed of a rocket that travels 9000 meters in 12.12 seconds?
725 m/s
7,425 m/s
742.5 m/s
680 m/s
