Look at the different mobile phones. Describe their differences and how technology has evolved.
before could only call, later developed ability to message, connect to the internet. Before big now smaller
Discuss how washing machines have changed over the centuries. Advantages and Disadvantages
wringer needed a lot of labour, clothes still very wet. Washing machines can wash clothes itself. Need electricity and water supplies
List some advantages to Genetically modified fruits & vegetables
Higher yield (more fruit/veg), more consistent result, more uniformity, bigger, more consistent colour, disease resistance.
What must be consider when designing a prosthetic limb?
what the owner wants and needs, their personality, where the amputated limb is.
How can drone be used for scientific investigations?
Take video/ pictures of places high up. Places that are accessable or dangerous (eg earthquake zone and volcanoes)
Make observations on the differences between the naturally occurring banana and the GMO banana (the one we eat today)
natural- lots of seeds, good for the plant to spread. GMO- no seeds, more fruit to eat
What is biotechnology/ bioengineering?
Engineered devices designed and used on living things
How did the printing press revolutionize how books are produced? What were the effects of this?
Books could be reproduced quickly and more cheaper rather than a person writing each by hand. Cheaper books were more accessible to more people, literacy rates
What is a prototype?
A prototype is a working model of a device designed to be tested and improved upon.
How has our methods of cooking changed over time? What's stay the same?
Still cook with fire- BBQ. Now has gas & electric stoves and ovens
How do we send and receive mail now? What's changed? Which system is better and why?
Before we send letter which took a long time. Now we send emails and text messages which take seconds.
How have prosthetic legs changed and improved?
lighter materials, more flexibility/ range of motions, more comfortable
What differences do we have between old cars and modern cars? What invention was needed for the invention of the car
Old cars were slower, less efficient, no AC etc. Wheel needed to be invented and the combustion engine.
How have laptops and computers improved our lives?
Fast communication, have online classes, do homework, design online
Make observations on the differences between the naturally occurring watermelon and the GMO watermelon (the one we eat today)
Natural- lots of seeds, little flesh/ fruit to eat. GMO- less seeds, lots of flesh/ fruit to eat.
How have robots been used in the manufacturing industry?
Robots make most cars, phone, production lines they have replaced human workers.
List the potential risks of GMO foods
We don't know enough about their safety.
Read the caption and discuss how GMO has improved papayas
GMO papayas more disease resistance to viruses
Discuss the advantages and disadvantages of replacing human workers with robots.
Robots don't need breaks, leave, food, salary etc. Robots don't get tired and can do the same task over and over. Robots might not have creativity like humans.
Discuss the advantages and disadvantages of fish farms.
positive- produce lots of fish in a small space, fish is often cheaper than wild caught. wild fish maybe rare. Neg- release lots of poo into the water