BTN 19/08/22 year 4

What is natural glass made of?

• Paper

• Obsidian

• Orange juice

• Fish bones

What type of glass is made by volcanoes

• Mirrors

• Obsidian

• Tinted glass

• Stained glass

What do glasses use to fix eye site?

• Refraction

• Reflection

• Reimage

• Remake

Is glass a one time use item?

• No

• Yes

Can you recycle glass?

• No

• Yes

What’s the main ingredient in glass

• Sand

• Snad

• Dans

• Dsna

What percent of Australia’s glass is recycled?

• 20%

• 50%

• 35%

• 5%

Who invented the telescope?

• Galileo galileo

• Hans something something

• John doe

• Austin young

What is the name of material used to instantly transfer data?

• Rope

• Glass cannons

• Optic fibres

• Ethernet cords