Semester 1 Review ESP Flashcards
What type of energy involves fusing atoms?
Nuclear
What is a type of energy that 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 most of the earth energy
The sun.
Eating food to keep your body warm is an example of:
Changing chemical energy to thermal energy
If a have equal amounts of energy of water and ice at the same temperature,which has more thermal energy.
Water
Liquids have ______ shape and ______volume.
Variable,constant
Which state of matter has the most energy?
Gas
Which state of matter has molecules in a fixed position,vibrating?
Solid
Conduction
Heat transfer by touching.
Radiation
Heat transfer from the sun to earth
Convection
Heat transfer by air rising,cooling,and then falling:
The Big Bang theory is an explanation of the start of the :
Universe.
The Big Bang say.
Universe started from point and is still expanding
A theory and a law are the same thing.
False.
Which is larger::
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 an object moves.
True
If light is moving toward you it will show a ________shift,moving away a _________shift.
Blue,red
The Doppler effect causes 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 ligth
The red shift of star light shows the universe is_________.
Expanding
The first three stages of stars 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 stars 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
Radio waves
The part of the electromagnetic spectrum with the lowest frequency
What technology use infra red radiation
TV ,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 rays
What type of waves do cell phones use
Micro waves
Microwaves are dangerous even in low concentration ( true or false)
False
Gamma rays can be used to fight.
Cancer
What all waves carry?
Energy
What does luster mean?
Shiny
What does malleability mean?
Bendable
What does the symbol SI stand for.
Silicon
What does C stand for?
Carbon
On the periodic table what are the verticals columns called?
Chemical families
On the periodic table what are the rows called?
Periods
What do we call the numbers that increases-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 columns
What is a property of alkali metals?
React with water
What is a property of alkaline earth metals?
Less reactive than alkali metals
What is true about noble gases?
Heavier
Most of the element on the periodic table are what?
Metals
What are four property of metals?
Malleable
Luster
Reactive,
Conduct electricity
