Unit 2 Lesson 3 Practice

1. 1. Which are examples of technology?

• bird's nest

• train

• a rock

• your shoe

• water

Tags

NGSS.K-2-ETS1-1

NGSS.K-2-ETS1-2

2. This table shows some speeds of different kinds of flight technologies from the 1900s. How  did these technologies change over time? 

• Planes have gotten faster

• Planes have gotten slower

• Planes have gotten bigger

• Planes now use less gas.

Tags

NGSS.MS-PS3-1

3. Iron tracks were invented for train travel. Which improvement in trains was NOT a result of the invention of iron tracks?

• Trains became larger

• Trains became faster

• Trains could carry heavier loads

• Trains went from steam engines to diesel engines.

4. Many people travel by airplane every day. Which is a negative effect of this technology?

• air pollution

• getting somewhere faster

• cheaper airline tickets

• getting to faraway places easier

Tags

NGSS.MS-ESS3-4

5. Adam is writing a report about plants. Adam’s mother used to do research for her school reports at the library. Which technology allows Adam to do his research at home?

• cars

• telephones

• the Internet

• an ipod

6. Choose two ways technology has made life easier for people.

• walking to school

• storing food in the refrigerator

• gathering water to drink

• milking the cow

• Calling someone from faraway

7. Choose two examples of technology that help you get from place to place.

• horse

• hybrid car

• walking

• train

• cow

Tags

NGSS.MS-PS2-1