Everything in our world is made of a substance called _______.
Matter
What fundamental language do computers 'understand'?
Binary, 1's and 0s represent the ON and OFF states.
Who is credited with inventing the light bulb?
Thomas Edison is widely known for inventing the light bulb. Alessandro Volta, Humphrey Davy and Joseph Swan all played a crucial role in this discovery
What colour is the opposite of blue on the colour wheel?
Orange
What is the acronym for the Order of Operations?
BEDMAS: Brackets, Division, Multiplication, Addition Subtraction
Which of newtons laws of motion explains how rocket ships can take off (explains flight)?
BONUS 100: Which law and characteristic(s) of space explains why they don't have to accelerate once in space?
Newtons third law of motion states that every action has an equal and opposite reaction. (F of A on B = -F of B on A)
An object in motion will remain in motion unless acted upon by a net external force. No wind resistance or gravity in space!
Wires, filled with conductive metals like Copper, have protective skins made of ______.
Plastics and rubbers (most commonly)
Bell Canada is named after the Canadian inventor of the telephone, ___________.
Graham Bell
What are 2 examples of secondary colours?
Green, orange, purple
What is the formula for the Pythagorean Theorem?
a2 + b2 = c2
What is another name for a homogenous mixture?
A solution
A printed circuit board containing the principal components of a computer or other device, with connectors into which other circuit boards can be slotted is known as a __________.
Motherboard
What simple machine is used in a pair of scissors?
A lever and wedge
What are 3 elements of art?
Includes: Line, shape, colour, space, value, form, and texture
A four-sided 2-D figure is also known as_____.
A four sided 2-D figure with two correct names/classifications
A quadrilateral
Squares are special types of rectangles
State one principle of particle theory.
All matter is made of particles, Particles are always in motion, Particles attract each other, Particles have space between them, Particles can be arranged in different ways, and Atoms of the same element are identical.
Which type of storage device uses no moving parts and is thus faster and more durable than a traditional hard drive?
Solid-State Drive (SSD)
Alessandro (Hint:) Volta invented the ______.
Battery, also known as the Voltaic cell!
Describe the 'Rule of thirds' and how it can be used
The rule of thirds is a technique where a composition is divided into 9 equal parts and key elements are placed at intersections of those lines.
If a graph is described as a 'first order model/relationship', what can be deduced of its equation?
The graph models a linear relationship and therefore will appear as a straight line, hence its equation will be of the form y = mx + b where m is the slope, x and y are points on the graph, and b is the y-intercept.
How many stages are involved in Photosynthesis? (250)
Explain why the naming of one of these stages might be misleading (250)
2 stages; Light reactions and Dark reactions
Dark reactions can occur in the presence of light, they simply don't REQUIRE light to happen.
What vital feature of modern smartphones relies on capacitance and capacitive technology to function?
Touchscreens work by detecting changes in current, this is measured as a change in capacitance
In engineering, what principle explains why airplanes can achieve lift? (Hint: Due to faster airflow above the wing than below it?)
Bernoulli's principle.
^Speed, VPresure: results in high pressure below the wings
Which technique in visual art creates the illusion of depth?
Perspective!
BONUS 600:
MENTAL MATH QUESTION:
Pick to reveal
Compute:
(6² +(√144)÷12) × 3−52 × tan45° ?