Glass production

Introduction

This WebQuest is created, using video material about glass production. Please watch video carefully in order to answer questions after that.

Video: 

https://www.youtube.com/watch?v=tXvyRZY05CU

 

Task

1. What materials are used in glass production? 

a. limestone, white sand and soda ash. 

b. silica sand, soda ash, limestone and others. 

c. sand, rocks, soda ash.

2. At what temperature works main furnance? 

a. 2900°F

b. 2800°F

c.3000°F

3. Where does the molten glass floats? 

a. in small tank

b. in molten aluminium bath

c. in molten tin bath

4. What is the temperature in tin bath? 

a. 2100°F

b. 1800°F

c. 2000°F

5. What controls glass speed and thickness?

a. bottom gears

b. top gears 

c. both

6At what temperature the ribbon of glass exists? 

a. 1100°F

b. 1110 °F

c. 1000°F

7. What produces annaled glass? 

a. temperature changes

b. controlled cooling 

c. controlled warming

8. What identify glass imperfections? 

a. workers

b. scanners and then workers

c. scanners

9. What happens after quality inspection? 

a. precision cutting 

b. enclosed lehr

c. shipping

10. What pack sheets of glass?

a. computers

b. workers

c. robotic arms

 

 

 

 

 

 

 

Process

In this task you have to answer 10 questions about the video. Only one correct answer a or b or c for one question!

 

Evaluation

Answers:

1. B

2. A

3. C

4. C

5. B

6. A

7. B

8. C

9. A

10. C

 

1 CORRECT- 10% definitely whatch the video again

2 CORRECT- 20% whatch the video again

3 CORRECT- 30% whatch the video again

4 CORRECT- 40% whatch the video again

5 CORRECT-50% (you know just the half about this toppic)

6 CORRECT- 60% (poor) whatch the video again

7 CORRECT- 70% (average)

8 CORRECT- 80 % (good) 

9 CORRECT- 90%(very good)

10 CORRECT -100% (excellent)

Conclusion

This knowledge will be useful in the future when you will study about the glass production.

Thank you for your time to do the task!

 

Video: 

https://www.youtube.com/watch?v=tXvyRZY05CU

Made by Katrina