Measurement Systems
How many centimeters in a meter?
100
What are the three states of matter?
solid, liquid, gas
What is matter?
anything that has mass and takes up space
What is recycling?
When something is made into something else
A comment always begins with
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What is a graduated cylinder used for?
measuring the volume of a liquid
Does cork float or sink?
Floats!
What is buoyancy?
How easily something floats
What is reusing?
When you use something again (sometimes for another purpose). For example, using a takeout container for leftovers.
a function always starts with
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What is the volume of a rectangular prism with side lengths 10 cm, 5 cm and 6 cm?
300 cm3
How does volume and shape vary in liquids, solids and gases?
solids - fixed volume, fixed shape
liquid - fixed volume, takes the shape of its container
gases - takes the volume and shape of its container (neither are fixed)
mass per unit volume
density
What can lower quality plastic flakes be used for?
stuffing duvets and coats
when writing if statements, functions, and while loops, it is important to remember ________
indentation (or 4 spaces)
- make sure the code underneath the while statements is inline/indented/has four spaces
How many decimeters in a meter?
10
How do particles behave in a liquid, solid and gas?
solid - particles vibrate in place
liquid - particles slide past one another
gas - particles move freely
How slowly a liquid flows
viscosity
What is South Korea's recycling rate right now?
45%
Where do we put arguments?
Inside the brackets () of functions
How many ounces in a pound?
16 ounces
A form of matter that will turn into a solid when pressure is exerted on it, and will turn into a liquid when little or no pressure is exerted on it.
Non-Newtonian Fluid
What is the difference between weight and mass?
Weight is the force of gravity on an object. Mass is how much matter and object has.
Weight depends on gravity so would be different on the moon. Mass is the same everywhere.
What are the steps for turning plastic bottles into clothes?
Remove the labels and sort by colour.
Wash the bottles and grind into flakes.
Higher quality flakes are turned into fibres which can be used to make clothes.
What is a function?
Code that defines a set of actions that can be reused/repeated elsewhere by just calling the function name.