Another name for light

• Energy

• Thermostat

• Electromagnetic radiation

• Thermionic emission

E=mc² is put forward by

• Albert Einstein

• Rutherford

• William wordsworth

• Issac Newton

Metals are good conductors of electricity because

• they contain free electrons
• the atoms are lightly packed 
• they have high melting point
• all of the above

Tags

NGSS.HS-PS1-1

Pa (Pascal) is the unit for

• Thrust
• Pressure
• Frequency
• Conductivity

Planets do not twinkle because

• they emit light of a constant intensity
• Their distance from the earth does not change the  time
• They are very far away from the earth resulting in decrease in intensity of light
• They are nearer to earth and hemce we recieve a greater amount of light and, therefore minor variations in the intensity are not noticeable

Tags

NGSS.MS-PS4-1

Light year is a unit of

• Time
• Distance
• Light
• Intensity of light

Tags

NGSS.MS-ESS1-3

The two types of current are...

• AC/DC
• Alternating Current
• Direct Current
• All of the above

Resistance is...

• What "slows down" electrons
• What "speeds up" electrons
• Moving electrons
• What "pushes" electrons

Electrical energy is converted to _______ energy in a hair dryer.

• heat 
• light

Why are humans conductors?

• Humans are made of mostly water.
• Humans have a ton of metal in their bodies.
• Humans conduct the railroad.
• Humans are great at the electric slide.