Unit 1 Week 4

Weekly Concept Inventions Essential Question How can problem solving lead to new ideas?

Inventing Something New Almost every new invention starts with a problem and a new idea. Inventions make our lives better. Some inventions help us learn. Other inventions entertain us. Talk About It Talk with a partner about inventions. Write words that tell how inventors think up new ideas.

Vocabulary Use the picture and the sentence to talk with a partner about each word.

Your Turn Pick three words. Then write three questions for your partner to answer.

Genre·Biography Mary Anderson's GREAT INVENTION Essential Question How can problem solving lead to new ideas? Read about how someone solved a problem and invented something new.

You might think that a ride in a bus or car is the same today as it was long ago. That isn't true. The first cars were not as fast. They were noisy. Cars didn't even have windshield wipers! When it rained, drivers rubbed their windshields with an onion. The oil from the onion would repel, or keep off, rain and sleet. It wasn't the best solution, but there were no better substitutes. Nothing else worked. Then a woman named Mary Anderson solved the problem.