Waves and Thermal Energy
Rhythmic disturbances that carry energy without carrying matter.
Waves
The star in the sky that we see during the day that gives us light and heat.
The Sun
Huge collection of stars, dust and gas clouds held together in space by gravity.
Galaxy
These planets belong to the terrestrial classification
Mercury, Venus, Earth, Mars
It has three parts: nucleus, coma and tail
Comets
Any material through which a wave travels, like the air, sound, water...
Medium
A group of stars that have a name after animals and characters in Greek mythology.
Constellation
Milky Way
The Solar System used to consist of 9 planets, name the one that was removed
Pluto
They revolve around another object
Satellites
These are the three types of heat energy transfer
Radiation, Conduction, Convection
A piece of rock or metal that burns very brightly from outer space that enters the Earth's atmosphere
Asteroid
They differ in mass, size, temperature, color and luminosity.
Stars
Planet that seems to have held water billions of years in the past
Mars
This is the only natural satellite that the Earth has
The Moon
Part of the wave energy transfer, they vibrate and send energy to the next one creating a chain
Particles
A distance that light travels in one year. It is used to calculate distances for objects in space.
Lightyears
Name the three types of galaxies:
Elliptical, spiral and irregular
These characteristics belong to what classification of planets:
Multiple moons, no solid surface, support ring systems, immense in size
Jovian
Name the first artificial satellite sent by human kind
Sputnik
Energy contained within a system that is responsible for its temperature.
Thermal energy
A bright area made of stars, or gas and dust that can be seen from the night sky
Nebula
True or false: stars never die
False
What percent of stars in our galaxy host planets?
15%
Chunks of ice and dust that usually has a long, narrow, elliptical orbit.
Comets