Grade 2 Revision

Why was driving the first cars dangerous?

• They were too fast
• They had no windshield wipers
• They had no doors

What would drivers do when they could not see?

• A) Stop and clear the windshield
• B) Keep driving
• C) Call for help

What made it hard for drivers to see?

• A) Wind
• B) Snow and rain
• C) Bright sun

What does the word “obscure” mean in the text?

• A) Make clear
• B) Make hard to see
• C) Make loud

What problem did Mary Anderson see?

• A) Cars were too slow
• B) Drivers had to stop to clean windshields
• C) Streetcars were too crowded

What did Mary Anderson invent?

• A) A faster car
• B) A window-clearing device
• C) A new type of streetcar

How did Anderson’s invention help drivers?

• A) It made driving safer
• B) It made cars cheaper
• C) It helped drivers go faster

How were the first windshield wipers different from today’s?

• A) They were motorized
• B) They were manual
• C) They were made of glass

Where was George de Mestral when he made his discovery?

• A) At home
• B) In a lab
• C) Hiking in the mountains

What got stuck to his coat and dog’s fur?

• A) Flowers
• B) Burrs
• C) Leaves