Exploring Wave tech concept check

Identify the type of EM wave each invention uses. Not all options are used.

Groups:

(a) Radio Waves

,

(b) Microwaves

,

(c) X-rays

• Radar

• X-ray imaging

• X-ray machine

• Television

• Cell Phone

• Car radio

• Satellite radio

• Wireless internet

• Microwave oven

Tags

NGSS.HS-PS4-5

How are so many radio wave devices able to operate all at once without interfering with each other?

• All devices are synchronized to operate at the same time.
• Devices randomly change frequencies every second.
• Devices use a single frequency for all communications.
• Interference is eliminated by using physical barriers.
• Devices operate on different frequencies or channels to avoid interference.

Tags

NGSS.MS-ETS1-2

Which type of EM waves are used by wireless technology such as televisions?

• X-rays
• Ultraviolet waves
• Radio waves
• Infrared waves
• Microwaves

​Late 1920s−Early 1930s: (a)   are widely adopted by the public as a source for news, music, and other entertainment.

• Radios
• Televisions
• Newspapers
• Podcasts

​ (a)   designs and builds the first functioning radio transmission device by expanding on other scientists’ knowledge of radio waves.

• Guglielmo Marconi
• Thomas Edison
• Alexander Graham Bell
• Nikola Tesla

Tags

NGSS.MS-PS2-3

NGSS.MS-PS4-1

Once radios became practical and widely available for the public, how did this invention affect modern society?

• Radios were primarily used for music only.
• Radios made communication less accessible.
• Radios had no impact on emergency services.
• Radios transformed communication, culture, and emergency response in modern society.
• Radios decreased the need for newspapers.

Tags

NGSS.HS-ETS1-1

NGSS.HS-ETS1-3

NGSS.HS-PS4-5

Once television became practical and widely available for the public, how did this invention affect modern society?

• Television decreased public engagement in politics.
• Television significantly impacted modern society by shaping culture, influencing public opinion, and changing how information is consumed.
• Television was primarily used for educational purposes.
• Television only affected the entertainment industry.
• Television had no impact on society.

Once microwave ovens became practical and widely available for the public, how did this invention affect modern society?

• They were primarily used for reheating leftovers only.
• Microwave ovens made cooking faster and more convenient, transforming eating habits and lifestyles.
• Microwave ovens increased cooking times significantly.
• They made traditional cooking methods obsolete without any benefits.
• Microwave ovens had no impact on food safety or nutrition.

Tags

NGSS.HS-ETS1-3

Once mobile phones became practical and widely available for the public, how did this invention affect modern society?

• Mobile phones transformed communication, social interaction, and access to information in modern society.
• Mobile phones decreased face-to-face communication.
• Mobile phones increased the cost of communication.
• Mobile phones had no impact on information access.
• Mobile phones made social interactions less personal.

What is likely true about the EM wave on the far left side of this image?

• It has a shorter wavelength.
• It is moving faster than light.
• It is a radio wave.
• It has a higher frequency.
• It has a longer wavelength.

Tags

NGSS.HS-PS4-1