science final 1/23 Flashcards
answer correctly (23 cards)
Define kinetic energy
Energy In Motion
Define Law of conservation of energy
Energy can’t be created or destroyed only stored, and changing form.
Define Mass
Amount of Matter or substance that makes up an object
Define Motion
Action Or process of moving or being moved
Define speed
Rate at what someone or something is in motion/moving/operate
What is the equation for kinetic energy
KE=0.5 x mass x speed(power of 2)
Name two ways you can increase kinetic energy
increasing speed, and increasing mass
What is potential energy measured in
Joules
What does gravity do in space
Keeps planets in orbit
What galaxy is our solar system apart of
The Milky Way
What are the inner planets made of
Earth like material:Dirt
What are the inner planets called with the earth, like material, what are the four planets named
terrestrial planets, Mercury, Venus, Earth, and Mars.
What are the outer planets made of, And what are the planets names in the outer planets.
Made of gaseous material, Jupiter, Saturn, Uranus, Neptune.
What are stars and planets created from
created from massive cloud of gas and dust
is the darker shadow in an eclipse called the penumbre true or false
false
During a solar eclipse what passes between the earth and sun
Moon
What star does earth revolve around
the sun
What is the first phase according to the Lunar cycle
Waxing cresent
Second phase
First quarter
3rd phase
Waxing Gibbous
4th phase
full moon
During the Lunar eclipses the earth passes between the ___ and the _____
Earth,Sun
What is responsible for the change of season on earth
Tilt of the axis earth and orbit around the sun.