Worksheets(AM) Quiz on B-2 Bomber, Velcro, and Shark Skin
Total questions: 15
Worksheet time: 8mins
What is the primary purpose of the B-2 stealth bomber?
To serve as a passenger transport aircraft
To conduct aerial reconnaissance missions
To provide air support for ground troops
To conduct long-range missions
Which company was responsible for the development of the B-2 stealth bomber?
Airbus
Lockheed Martin
Northrop Grumman
McDonnell Douglas
What is a unique design feature of the B-2 that helps it evade radar?
It has a circular shape
It uses a mirror-like reflective surface
It is made of titanium
Its flying wing design
Approximately how many B-2 bombers are currently in the U.S. Air Force?
5
21
50
100
What is the approximate maximum range of the B-2 stealth bomber without refueling?
1500 miles
3000 miles
6000 miles
10000 miles
How was Velcro invented?
Just popped up in an engineer's mind.
Through the plant that stuck on the clothes.
By cat's fur.
Get idea from cockleburrs.
What are the two parts of Velcro?
Stick and glue
Fabrics and cotton
Rubbers and sheets
Hooks and loops
How long can Velcro last up to?
Last long
10-15 years
1 year
Few months to several years
What is Velcro used for?
Separate the parts
House material
Attach humans clothes
Join two pieces
The invention of Velcro, a popular fastener, was inspired by:
The way a rubber band works.
A zipper.
A dog's fur.
A specific type of plant burr.
Who invented shark skin swim?
Dr Anthony Brennan
Albert William
Allie Robert
Fiona Fairthrust
What are the material like?
Silk
Hard
Smooth
Cotton
What are the advantages of the shark swimsuit?
It helps us swim slowly.
It can help us swim safer.
It will make us feel more comfortable.
It helps reduce drag.
When was it first launched?
In 2003
It was launched after the first ever Olympic.
It was launched in 1998.
It was launched before the Sydney Olympics.
What is the purpose of the shark skin swimsuit?
It helps us feel more comfortable when swimming.
It helps us swim slowly and more safer.
It helps us to match the trends.
It helps swimmers swim better.
