What is an algebraic expression?
An algebraic expression consists of variables and constants
The metric system is known for having its units in multiples of ____ ?
10
What is the Universal Set?
The Universal Set is the set of all the elements under consideration for a problem.

What does this symbol represent?
Flammable
Both plant and animal cells have a cell membrane. What is its function?

Controls what enters and exits the cell
What is an algebraic equation?
An algebraic equation consists of 2 algebraic expressions separated by an equal sign
Where did the Imperial system originate from?

England
What type of sets have no elements in common?
Disjoint Sets
Strong acid and alkali are examples of which type of substances?
Corrosive
This structure stores waste substances and is large in a plant cell but small in an animal cell
Vacuole

Susan bakes a tray of 42 cupcakes there are 13 children at her birthday party. How many cupcakes does each child get?
4 cupcakes per child
What metric unit means a million?
Mega
What is an example of an empty set ?
The set of months in Trinidad it snows
The set of dogs that can fly
When heating chemicals in a test tube, we do not heat them directly, but instead, we use one of these?
Water bath or oil bath
These two structures are specific to a plant cell only
Cell wall
Chloroplast
A brother is 7 cm. more than twice the height of his sister. Their total height is 161 cm. Find the height of his sister.
The sister's height is 77 cm.
Name the instrument in the picture

Name the instrument in the picture above.
Digital Balance or scale balance

From the diagram above name the elements in the intersection
2,4,6
Identify the 3 symbols below



Explosive
Harmful
Corrosive
A collection of tissue makes an _______________.
All _____________come together to form the organism.
The heart, blood vessels and blood make up the ______________ _______________
Organ
Systems
Circulatory System
Mark goes to the bakery with $20 and buys 2 currants rolls worth $x each how much change he should receive?
20-2x
What measuring instrument is used to measure distance this athlete throws
Measuring tape
What set is a subset of all sets?
The empty set
Identify 3 unsafe activities shown here
No horse play in lab
No eating and drinking in lab
Secure items so no one trips over them
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This is a plant cell. What is the structure labelled 2 and what is its function?
Nucleus and it controls all the activities of the cell