Astrophysics & Space
What is the name of the closest star to Earth?
What is the SI unit of mass?
Kilogram
What is the charge of an electron?
Negative
What famous scientist developed the equation E = mc²?
Albert Einstein
What is the SI unit of temperature?
Kelvin
Which planet is known as the "Red Planet"?
a) Venus b) Jupiter c) Mars d) Mercury
MARS
What is Newton’s Third Law of Motion?
a) Objects in motion , stay in motion
b) Force equals mass times acceleration
c) An object at rest stays at rest
d) For every action, there is an equal and opposite reaction
For every action, there is an equal and opposite reaction
What kind of electricity powers a flashlight battery?
a) Alternating Current (AC)
b) Static Electricity
c) Direct Current (DC)
d) Magnetic Current
Direct Current or DC
What is light made of?
a) Electrons
b) Neutrons
c) Photons
d) Protons
Photons
Heat transfer that occurs through direct contact is called what?
a) Convection
b) Conduction
c) Radiation
d) Refraction
Conduction
What force keeps planets in orbit around the Sun?
a) Gravity b) electrostatic force c) friction d) magnetic force
GRAVITY
If an object is not moving, what is its velocity?
a) Constant non-zero velocity
b) 0 m/s
c) 10 m/s
d) Need more information to get the answer
Zero m/s
What does a compass needle align with on Earth?
a) The direction of the sun
b) The Earth’s gravitational field
c) The Earth’s magnetic field
d) The North Star
The Earth's magnetic field
What is the name of the smallest unit of an element?
a) Molecule
b) Electron
c) Neutrino
d) Atom
An atom
What type of wave does sound travel in?
a) Longitudinal wave
b) Transverse wave
c) Electromagnetic wave
d) gamma wave
Longitudinal wave
What do we call a group of stars forming a recognizable pattern?
A constellation
If a ball is thrown straight up, what happens to its speed as it rises?
It decreases due to gravity
What is the SI unit of electric current?
Ampere or Amp
What principle states that we cannot precisely know both the position and momentum of a particle?
Heisenberg’s Uncertainty Principle
What happens to the pitch of a sound as it moves toward you?
It increases due to the Doppler effect
What is the name of the first man-made satellite launched into space?
Sputnik 1
What simple machine is a ramp an example of?
An inclined plane
What type of material allows electricity to flow easily?
A conductor, like copper
What phenomenon allows electrons to behave both as particles and waves?
Wave-particle duality
What is the Second Law of Thermodynamics about?
Entropy always increases in an isolated system