
Understanding the Definition of a Second

Interactive Video
•
Physics, Science, History
•
9th - 12th Grade
•
Hard

Jackson Turner
FREE Resource
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the primary reason for the need to define a second more precisely in the 20th century?
To synchronize global railway systems
To develop better calendars
To improve agricultural practices
To enhance maritime navigation
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which calendar introduced the concept of dividing a day into hours, minutes, and seconds?
Mayan calendar
Lunar calendar
Julian calendar
Gregorian calendar
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What fundamental principle allows atomic clocks to maintain precise timekeeping?
The principles of thermodynamics
The laws of quantum mechanics
Einstein's theory of relativity
Newton's laws of motion
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do researchers vaporize atoms in atomic clocks?
To reduce their interaction and volatility
To change their color
To make them more reactive
To increase their mass
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which property was NOT a criterion for selecting an element for atomic clocks?
High frequency electron oscillation
Complex energy level structure
Reliably measurable quantum spin
Ease of vaporization
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of quantum spin in selecting an element for atomic clocks?
It determines the color of the element
It changes the element's temperature
It helps track electron oscillation
It affects the element's mass
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What element was chosen for use in atomic clocks at the 1967 conference?
Carbon
Uranium
Hydrogen
Cesium-133
Create a free account and access millions of resources
Similar Resources on Wayground
2 questions
The Mysterious Leap Second

Interactive video
•
11th Grade - University
8 questions
Cations at Work: Shaping Ionic Bonds

Interactive video
•
10th Grade - University
4 questions
TED-Ed: Is time travel possible? - Colin Stuart

Interactive video
•
KG - University
8 questions
Cations at Work: Shaping Ionic Bonds

Interactive video
•
10th Grade - University
11 questions
History of Railways in Britain

Interactive video
•
9th - 12th Grade
11 questions
Time Dilation and Relativity Concepts

Interactive video
•
9th - 12th Grade
11 questions
Nuclear Reactions: Conservation, Transmutation, and Energy Dynamics

Interactive video
•
9th - 12th Grade
11 questions
GPS Technology and Its Principles

Interactive video
•
9th - 12th Grade
Popular Resources on Wayground
10 questions
Lab Safety Procedures and Guidelines

Interactive video
•
6th - 10th Grade
10 questions
Nouns, nouns, nouns

Quiz
•
3rd Grade
10 questions
9/11 Experience and Reflections

Interactive video
•
10th - 12th Grade
25 questions
Multiplication Facts

Quiz
•
5th Grade
11 questions
All about me

Quiz
•
Professional Development
22 questions
Adding Integers

Quiz
•
6th Grade
15 questions
Subtracting Integers

Quiz
•
7th Grade
9 questions
Tips & Tricks

Lesson
•
6th - 8th Grade
Discover more resources for Physics
20 questions
Position vs. Time Graphs

Quiz
•
9th Grade
20 questions
Calculating Net Force

Quiz
•
6th - 9th Grade
15 questions
Position vs. Time and Velocity vs. Time Graphs

Quiz
•
10th - 12th Grade
10 questions
Using Scalar and Vector Quantities

Quiz
•
8th - 12th Grade
14 questions
Distance & Displacement

Quiz
•
11th Grade
20 questions
Acceleration

Quiz
•
9th Grade
5 questions
Reading Motion Graphs

Lesson
•
8th - 10th Grade
8 questions
Distance Time Graphs

Lesson
•
9th - 12th Grade