True or False: Nuclear energy utilizes renewable energy resources.
What is false?
100
How do you increase the kinetic energy of the particles in matter?
What is increase temperature?
100
Physical change, chemical change, physical property or chemical property?
The density of a substance.
What is physical property?
100
Homogenous or heterogenous mixture?
Dilute hydrochloric acid
What is homogenous mixture?
200
What are the regions that are less compressed on a longitudinal wave called?
What is rarefactions?
200
What type of reaction is used in fossil fuels?
What is combustion?
200
What is the phase change of a solid into a gas?
What is sublimation?
200
Physical change, chemical change, physical property or chemical property?
Formation of a precipitate
What is a chemical change?
200
Heterogenous or homogenous mixture?
Rocky road ice cream
What is heterogenous mixture?
300
Draw a transverse wave and label the following: trough, wavelength, equilibrium position, amplitude
What is (look at drawing)?
300
How do you increase the amount energy produced in hydroelectricity?
What is increasing the height of the dam?
300
What states that the particles in matter are in constant motion?
What is the kinetic theory of matter?
300
Give 3 examples of physical changes.
What is (look at examples)?
300
Homogenous or heterogenous mixture and why?
Milk
What is heterogenous mixture; proteins?
400
The process in which two waves overlap and greater a wave with a larger amplitude?
What is constructive interference?
400
The type of resource that is being produced faster than the human population can use it?
What is renewable resource?
400
Which substance has a higher viscosity? Vinegar, Canola Oil, or Maple Syrup?
What is maple syrup?
400
Give 3 examples of chemical changes.
What is (look at examples)?
400
Give 3 examples of heterogenous mixtures not mentioned already.
What is (look at examples)?
500
The particles in the medium in a transverse wave move _____ to the direction of the wave.
The particles in the medium in a longitudinal wave move _____ to the direction of the wave.
(2 answers)
What is perpendicular; parallel?
500
What is the efficiency of fossil fuel power plants and what is the "waste" energy transformed into?
What is around 35%; thermal energy in the form of heat?
500
For the following states of matter, write if the state has a definite or indefinite shape or volume.
What is solids-definite shape and volume; liquids-definite volume, indefinite shape; gas- indefinite shape and volume?
500
Give 3 examples of chemical properties.
What is (look at examples)?
500
Give 3 examples of homogenous mixtures not already mentioned.