super silk

According to the passage 'Science Fiction? Or the Future?', what material was combined with human skin to make it bulletproof?

• Steel

• Spider silk

• Plastic

• Rubber

The bulletproof skin described in the passage was tested on a person’s body.

• True

• False

Why did scientists choose spider silk to combine with human skin cells, according to the passage 'Science Fiction? Or the Future?'?

• Because it is easy to find

• Because it is stronger than steel

• Because it is colorful

• Because it is cheap

Dragline silk is three times stronger than the material in bulletproof vests.

• True

• False

For thousands of years, people have found practical uses for spider webs. Which of the following is NOT mentioned as a use for spider webs in the passage?

• Making fishing nets

• Making fishing lures

• Making clothing

• Using as bandages

Which of the following is a possible modern use for spider silk mentioned in the passage?

• Space exploration

• Cooking

• Building houses

• Writing books

People have used sticky spider webs as indoor fly catchers.

• True

• False

Spiders are cooperative when kept close together.

• True

• False

According to the passage 'An Amazing Breakthrough', what did scientists discover after years of studying spider silk?

• How to make spider silk using only spiders

• How to produce spider silk without spiders

• How to make goats produce wool

• How to change the color of spider silk

In the passage 'An Amazing Breakthrough', what do genes determine in humans?

• The amount of milk produced

• Eye color and hair color

• The strength of spider silk

• The number of goats born