Energy Flashcards
What type of energy involves fusing atoms
Nuclear
What type of energy involves waves
Radiant
What type of energy involves the movement of things
Mechanical
Which type of energy is moving electrons
Electrical
Stored energy is
Potential
Energy of motion is
Kinetic
Name something that converts chemical energy to mechanical energy
Human, car animals
The law of conservation of energy says
Energy cannot be created or destroyed
What is the source of the most of the earth energy
Sun
Eating food to keep your body warm is an example of
Changing chemical energy to thermal energy
If I have equal amounts of water and ice at the same temperature, which has more thermal energy
Water
Liquid have ____ shape and ____ volume
Variable, constant
Which state of matters has the most energy
Gas
Which state of matter has molecules in a fixed position, vibrating
Solid
Heat transfer by touching is
Conduction
Heat transfer from the sun to the earth is
Radiation
Heat transfer by air rising, cooling and the falling is
Convection
The Big Bang Theory is an explanation of the start of the ___
Universe
The Big Bang Theory says
The universe started from point and is still expanding
A Theory and a law are the same thing
False
Which is larger a Galaxy, Planet, Universe
Universe
Our solar system is part of what galaxy
Milky Way
Light waves and sound waves are affected the same way when object moves
True
If light is moving towards you it will show a ____ shift, moving away a _____ shift
Blue, Red
The droplet affect cause light to change _____ and sound to change ______
Color, Pitch
When an object is not moving the waves
Stay the same size
A piece of evidence for the Big Bang Theory is
Red shift of star light
The red shift of star light shows the universe is
Expanding
The first three stages of a star life in order are
Nebula, Protostar, Main Sequence star
Our sun is currently in what stage
Main Sequence Star
Which stage is fusing hydrogen into helium
Main Sequence Star
A constellation is what
A group of start that make an image in the sky
What are the seven stages in order of a low mass star
Nebula, Protostar, Main Sequence Star, Red Giant, Planetary Nebula, White Dwarf, Black Dwarf
Red light has the _____ amount of energy of all the colors
Least
The part of the electromagnetic spectrum with the lowest frequency
Radio waves
What technology uses infra red radiation
TV remote, night vision goggles
Do electromagnetic waves need a medium to travel through
No
Visible light is a (small or large) part of the electromagnetic spectrum
Small
Highest energy electromagnetic wave
Gamma Ray
What type of waves do cell phones use
Micro waves
Microwaves are dangerous even in low concentration
False
Gamma Ray can be used to fight
Cancer
All waves carry
Energy
What does luster mean
Shiny
What does malleability mean
Bendable
What does the symbol C stand for
Carbon
What does the symbol Si stand for
Silicon
On the Periodic Table what are the vertical column called
Chemical Families
On the Periodic Table what are the rows called
Periods
What do we call the numbers that increased by one all the way through the Periodic table
Atomic Number
If an element is reactive, when you put acid on it, it will do what
Bubble and fizz
Where are the Nobel Gases found on the Periodic table
Right most column
What is a property of Alkali Metals
Reacts with water
What is the property of an Alkali Earth Metals
Less reactive than Alkali metals
What is true about Nobel Gases
Heavier
Most of the elements on the Periodic Table are what
Metals
What are four property of metals
Malleable, Luster, Reactive, and Conduct Electricity
