Yes, because pencils meet our need to be able to write.
200
What is a prototype?
A first working model.
200
How did people communicate with someone far away before e-mails existed? Give examples.
Mail was carried by horseback riders, steamboats, stage coaches, trains, later cars and plains.
300
What is technology?
Any device that people use to meet their needs and solve practical problems.
300
How are the positive and negative effects of technology called?
Benefits and risks.
400
What steps does the design process include?
1.Find a problem;
2.Plan and build;
3.Test and improve;
4.Redesign;
5.Communicate.
400
What do bioengineers work with?
Living things.
500
What did Thomas Edison trie 1,000 times?
To develop a light bulb that didn't burn out quickly.
500
Give examples of what bioengineers do.
Design tools to prevent or clean up pollution, engineer plants to grow faster or larger, engineer livestock to make the animals healthier, design biotechnology that helps detect or treat diseases.