Describing Concepts: Pre-lesson activity by Sahani Situbandara https://padlet.com/candidordersystems/yunftn6s16r4fvxz Lesson 03 - Planning your Presentation (Pt. I) en-us 2023-02-03 16:41:33 UTC 2023-03-01 07:56:00 UTC hello@padlet.com https://padlet.net/icons/png/1f4dd.png Online education https://padlet.com/candidordersystems/yunftn6s16r4fvxz/wish/2468292458 What is online education?

 The education that is provided online or over the internet is called online education.

Advantages of online education

1. Flexibility
2. Reduced costs
3. More free time
4. Enhanced time management skills
5. Career advancement opportunities

Disadvantages of online education 

1. Online student feedback is limited 
2. Causes social isolation 
3. Lacks face to face communication 
4. Limited to certain disciplines
5. Online instctors tend to focus on theory rather than practice ]]> 2023-02-04 05:58:28 UTC https://padlet.com/candidordersystems/yunftn6s16r4fvxz/wish/2468292458 sahanisitubandara1994 https://padlet.com/candidordersystems/yunftn6s16r4fvxz/wish/2468312355 2023-02-04 07:29:29 UTC https://padlet.com/candidordersystems/yunftn6s16r4fvxz/wish/2468312355 Women in STEM https://padlet.com/candidordersystems/yunftn6s16r4fvxz/wish/2486458546 What is STEM education?
STEM education is a teaching approach that combines science, technology, engineering and math.

Participation of women in STEM
Women make up only 28% of the workforce in STEM

Problems
  • Gender stereotypes
  • Male-dominated cultures
  • Fewer role models
  • Math anxiety

Solutions 
  1. Raising awareness 
  2. Improve STEM  education and support for girls
  3. Improve job hiring 


]]> 2023-02-17 15:23:16 UTC https://padlet.com/candidordersystems/yunftn6s16r4fvxz/wish/2486458546 THE PROBLEM OF E-WASTES https://padlet.com/candidordersystems/yunftn6s16r4fvxz/wish/2497609507 Why is it a problem?
Tons of used electronic items are dumped because methods to repair, re-manufacture and reuse them is complex. E-wastes has hazardous heavy metals, acids, toxic chemicals and non-degradable plastics. E-wastes are exported and dumped in junkyards of countries like China, Africa and India. Toxic e-wastes like lead glasses, circuits, and mercury lamps harm local communities in those countries. Some negative health effects on humans and animals are brain, heart, liver, kidney and skeletal system damage. It affect nervous and reproductive systems cause to neurological disease and birth defects.

Improper disposal of e-waste is very dangerous, so awareness is important. Mainly, we must try to "e-cycle", so that e-waste are recycled, remade, or reused.

Problems to Environment and Effects
1. Negative Effects on Air
  • Breaking, shredding or melting e-wastes, send dust particles or toxins to air. It travel far away and create breathing diseases and cancers.
2. The Negative Effects on Soil
  • Heavy metals and flammable material go directly to soil, and pollute groundwater or crops planted nearby. 
  • Dust particles settle on ground and contaminate the soil. These dusts stay in the soil for long time and harms microorganisms. Wildlife eating toxic plants, have health problems.
3. The Negative Effects on Water
  • Heavy metals, like mercury, lithium, lead and barium, leak to groundwater and spread to streams, rivers and lakes. Acidification and toxification of water, makes drinking water unsafe. Then, finding clean drinking water becomes difficult.
  • Toxic water can kill marine and freshwater organisms, disturb biodiversity and harm ecosystems.
]]> 2023-02-28 08:38:47 UTC https://padlet.com/candidordersystems/yunftn6s16r4fvxz/wish/2497609507 Online businesses thenethranayomi https://padlet.com/candidordersystems/yunftn6s16r4fvxz/wish/2497614041 What is an online business?
Online business is any kind of business activity that happens over the internet. 

How can you build an online business?

  1. Pick the right type of online business.
  2. Identify a need in your market.
  3. Develop your product or service.
  4. Build your brand.
  5. Build your website.
  6. Take care of the legal side of forming a business.
  7. Get your logistics in place.
  8. Develop your marketing strategy.
]]> 2023-02-28 08:43:05 UTC https://padlet.com/candidordersystems/yunftn6s16r4fvxz/wish/2497614041 Hacking https://padlet.com/candidordersystems/yunftn6s16r4fvxz/wish/2497616105 What is hacking?
Hacking is the act of identifying and then exploiting weaknesses in a computer system or network, usually to gain unauthorized access to personal or organizational data.

How does hacking work?

Hackers use a variety of techniques to achieve their aims. Some of the most common methods include:
  • Social engineering
  • Hacking passwords
  • Infecting devices with malware
  • Exploiting insecure wireless networks
  • Gaining backdoor access
  • Spying on emails

What damage can hackers do?

  • Steal your money and open credit card and bank accounts in your name
  • Request new account Personal Identification Numbers (PINs) or additional credit cards
  • Make purchases on your behalf
  • Add themselves or an alias that they control as an authorized user so it’s easier to use your credit
  • Obtain cash advances
  • Use and abuse your Social Security number
  • Sell your information to others who will use it for malicious purposes
  • Delete or damage important files on your computer
  • Obtain sensitive personal information and share it, or threaten to share it, publicly

Why do people hack?
  • Money
  • Corporate purposes
  • Political purposes
  • Revenge

Key hacking prevention tips
  • Use strong passwords
  • Turn on two-factor or multi-factor authentication
  • Keep your devices and software up to date
  • Don’t access personal or financial data with public Wi-Fi
  • Use a good quality antivirus


]]> 2023-02-28 08:44:50 UTC https://padlet.com/candidordersystems/yunftn6s16r4fvxz/wish/2497616105 Virtual Reality https://padlet.com/candidordersystems/yunftn6s16r4fvxz/wish/2497637203 What is virtual reality?
Virtual reality (VR) is a computer-generated environment with scenes and objects that appear to be real, making the user feel they are immersed while browsing.

What are the main types of VR?
  • Non-immersive
  • Semi-immersive
  • Fully-immersive

How can VR be used?
  • Training
  • Education
  • Healthcare
  • Retail
  • Real estate
  • Entertainment 

Pros:
  • For training purposes
  • Conferencing
  • Convenience

Cons:
  • Addiction
  • Health effects
  • Loss of human connections
]]> 2023-02-28 09:03:35 UTC https://padlet.com/candidordersystems/yunftn6s16r4fvxz/wish/2497637203 Political Campaign on Social Media https://padlet.com/candidordersystems/yunftn6s16r4fvxz/wish/2497679156 In recent years there has been a sharp rise in the use of social media platforms, online advertising and third-party campaigning platforms in political campaigning.

Best practices to market political campaigns on social media:

  1. Decide which platforms to use
  2. Set up & optimize public pages
  3. Verify your page
  4. Create your brand
  5. Be active
  6. Be personal
  7. Use photos & videos to your advantage
  8. Know your audience
  9. Consider live streaming
  10. Promote your page with ads


]]> 2023-02-28 09:41:01 UTC https://padlet.com/candidordersystems/yunftn6s16r4fvxz/wish/2497679156 Romance scams on social media https://padlet.com/candidordersystems/yunftn6s16r4fvxz/wish/2497717803 What is a romance scam?

A romance scam, a.k.a. online dating scams, is when people gets tricked into thinking they're in a relationship with someone they met online, when in fact that stranger is a cybercriminal using a fake identity to gain enough of their trust to ask or blackmail them for money.

What types are there?
  • Fake dating sites
  • Photo scams
  • Military romance scams 
  • Intimate activity scams
  • Code verification scams 
  • Inheritance scams
  • Malware scams

How romance scams work
  1. A cybercriminal create a fake profile to date people online.
  2. The relationship moves fast and trust is gained.
  3. The scammer asks their target for money, receives it, and vanishes.

Warning signs: Lies romance scammers tell
  1. They say they're in far away
  2. Their profile seem too good to be true
  3. The relationship is moving too fast
  4. They break promises to see you
  5. They ask for money and very specific payment methods

How to be safe on social media
  1. Pay attention to red flags
  2. Go for relationship slowly
  3. Stop talking and report the incident
  4. Don't say give personal photos or information
  5. Avoid to pay someone you haven't met
]]> 2023-02-28 10:14:50 UTC https://padlet.com/candidordersystems/yunftn6s16r4fvxz/wish/2497717803