Worksheets21st Century technology C.A.T
Total questions: 15
Worksheet time: 8mins
3D shapes are shapes with three dimensions, such as _________
width, height and shallow
width, height and depth
width, height and length
The 'D" in 3D stands for__________
Dimensional
Diagonal
Depth
An example of a 3D printed object is
a cup
a paper
leather
The following materials are used in 3D printing except ______
plastic
wood
metal
Models/designs for printing 3D objects are created with ______
landscape painting
art and craft
computer software
A way of sending information through thin fibres or threads is known as _____
3D printing
fibre optic technology
Internet of Things
Fibre optic information travels through fibres in the form of (a)
These information may be ____
light
pictures
fibre
In fibre optics system, a machine that turns information into light is called
a transmitter
the core
a receiver
Transmitter sends light through ____
optical fibres
transmitter
codes
The inner parts of these fibres are called
transmitter
codes
light
A reflective material called _______ surrounds the codes in the fibres
cladding
insulator
networks
At the end of each fibre, a machine called a _____ accepts the light
transmitter
processor
receiver
The receiver turns the light back into ______
sounds, pictures or computer codes
sounds, clouds or computer codes
thin fibres, pictures or computer codes
A major disadvantage of fibre optics is that
they are small and light
they are likely to catch fire
the cables are expensive
