WorksheetsTerm One Content
Total questions: 25
Worksheet time: 16mins
Newton's First Law States that...
F= ma
Objects in motion will stay in motion
Objects at rest will stay at rest unless acted upon by an external force
Everything has an equal and opposite reaction
What is the acceleration of a 100kg object pushed by a force of 1000N? F=ma
11m/s^2
None are Correct
10km/s
10m/s
What is the formula used to find Force?
m=f x b
f=b x z
m=f x a
f=m x a
If the force acing on a car doubles, what happens to the cart's acceleration?
It quarters
it stays the same
it doubles
it halves
What is the correct unit used to express acceleration?
m/s
m/s^2
cm
There are no units associated with acceleration
How can Newton's second law be represented mathematically?
F = m x a
m = f / a
a = f / m
All of the above
If and object is accelerating at 10m/s^2 and it weighs 10kg, what is the force required to move it?
a = 10 m/s^2
m = 10 kg
f = ?
0N
100N
20N
30N
Select the most relevant statement to describe Newton's Third Law
All forces are the same
Forces have reaction forces that are unequal
For every force there is an equal and opposite force
None of the above
The pH scale is used to, what?
Test the hardness of water
Test the acidity of water
Test the alkalinity of water
To rank solutions in terms of acidity or alkalinity
The pH scale ranges from ...
0-12
1-10
0-14
1-14
A pH of seven (7) is considered what?
Acidic
Basic
Neutral
None of the above
Why would drinking water of a pH under 6.5 be dangerous
It wouldn't be dangerous
It is too acidic
It is too basic
It is most likely to be contaminated by pollutants
The number of protons a neutral atom has is equivalent to...
The atomic number
The electrons
The neutrons
The nucleus
The atomic mass number of an atom is calculated by...
Adding the number of electrons
Adding the number of protons and neutrons
Adding the atomic number to the number of protons
Subtracting the number of protons from electrons
True or false, an electron is lighter in weight than a proton
True
FalseElectron
Where are electrons found?
Inside the nucleus
Outside the nucleus
True or false, an atom with more electrons than protons will change the overall charge of an atom to positive
True
False
How many carbon atoms would be found in a cross section of human hair?
10
1000
20,000
100 million
True or false, an atom is so small you cannot see it because it is smaller than the wavelength of visible light
True
False
What was removed from the water you poured through your homemade filters?
a heavy metal
Blue Colouring
Nothing
The higher a substance's porosity is, the more "what" it has.
Filtering potential
Pores
Blackheads
Problems it has
What causes a filter medium to fail, and start leeching toxins/previously removed substances back into the water being filtered?
Too much water
Not enough filtration
The pores are filled and cannot filter any more material from water
Nothing
Filtering water decreases its
Hardness (amount of heavy metals)
Ph
What is the acid found in our stomachs called?
Hydrofluoric Acid
Hydrochloric Acid
Sulfuric Acid
Citric Acid
Select the truest statement regarding weight and mass
Mass is not constant, weight is
Mass is constant, weight is not
Mass is not constant, weight is constant as it is influenced by gravity
Mass is constant, weight is not constant as it is influenced by gravity
