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Bright New Ideas

Authored by Sara Khattab

Social Studies

3rd Grade

Used 2+ times

Bright New Ideas
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13 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1- created the first working laser.

a. Robert Goddard

b. Theodore Maiman

c. Barbara Askins

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

_________________can warn of earthquakes, track flying objects for the military, and are used in operating rooms in addition to supermarkets.

a. lasers

b. computers

c. transistors

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1- In ____________________ , all the energy is focused in only one wavelength.

a. electric light

b. laser light

c. blue light

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1- The _______________ is very powerful.

a. laser light

b. electric light

c. red light

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1- There are __________________ that are millions of times brighter

than ordinary sunlight.

a. stars

b. Moon

c. some laser beams

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1- Laser temperatures have been recorded at more than that of the surface of the sun.

a. twice

b. third

c. fourth

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

_________________ cut skin without causing bleeding or scarring.

a. threads

b. needles

c. laser beams

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