What is a variable?
A variable is a letter which represents an unknown quantity or number
Define a set
A set is a collection of well defined objects

Which scientist invented the item shown above?
Thomas Edison
Growth of plants differs from the growth of animals in one fundamental way. What is this?
Plants grow all their lives while animals stop growing after a particular age.
The element with the symbol Ca is ?
Calcium
What is an algebraic expression?
An algebraic expression consists of variables and constants
What is the empty set and give an example
The empty set contains no elements
Which scientist came up with the process of Pasteurization?
Louis Pasteur
This allows for the propagation of the species
Reproduction
The periodic table gives a list of all elements in ascending order of _____________?
number of protons or atomic number
Harry has $20 daily allowance and remains with $12 everyday. He has to pay 2 equal taxi fares. What is the cost of each taxi fare?
Taxi fare is $4
Name the set the following element below belongs too
The set of birds
Which scientists won the Nobel Peace Prize for their research into Radioactivity ?
The Curies
'A deer seeking refuge from a predator' is an example of:

Irritability
How many atoms of each element are found in NaCl
1 sodium and 1 chlorine
Sunil goes to the market and buys 56 mangoes for his family. The vendor gives him in 7 bags how many mangoes are contained in each bag?
Each bag has 8 mangoes
Name a subset of the set of students in Modsec
The STEM Club
This picture shows how gravity was discovered. Who was the scientist who made this discovery?
Sir Isaac Newton
Animals are categorized according to the food they eat. What are the names of the three categorization and state what each one eats.
Herbivores - Plants only
Carnivores - Animal matter only
Omnivores - Both plant and animal matter
The element Magnesium has this many protons?
12
I am 3 years older than my brother who turned 27, 2 years ago how old will I be in 5 years time?
I will be 37 years old
How many subsets can be formed from the following set of students?
{John , Jenny}
22 = 4
Which Trinidadian scientist did his research on the HIV virus
Courtney Bartholomew
Respiration is a chemical reaction that happens within the cells to do what?

To release energy within foods
The electronic configuration of Oxygen is?
2,6