Energy
Which is not a form of energy?
a. Light c. Air
b. Sound d. Electricity
C. Air
Kinetic energy is the energy of
Motion
Matter is
What is the equation to calculate density?
Mass divided by volume
What type of change (physical or chemical) is icicles melting from a rooftop?
Physical change
Chemical energy is a form of _____________ energy.
potential
Which is an example of increasing an object's potential energy?
a. Rolling a bowling ball c. Stretching a rubber band
b. Turning on a light bulb d. Dropping a pencil
C. Stretching a rubber band
A physical property can be observed
without changing the matter into another type of matter (boiling point, melting point)
Weight is a flawed measure of mass because
it is affected by the force of gravity.
What type of change (physical or chemical) is a clear liquid mixing and producing a cloudy liquid with yellow chunks?
Chemical change
What is the law of conservation of energy?
Energy cannot be created nor destroyed.
Gravitational potential energy is affected by the object's weight and ____________.
Height
A characteristic that describes something's ability to become something else
A chemical property
Volume is
the amount of space that matter occupies
The law of conservation of mass states:
What two factors affect how much work is done in any given action?
Force and distance
An increase in the movement of particles is associated with an increase in _____________ energy.
Kinetic
Which of the following is a solution?
a. Salt water c. Cake mix
b. Macaroni and cheese d. Vegetable soup
A. Salt water
One factor that affects density is
temperature
What two types of energy can be released when something burns?
Thermal and light energy
What is the formula to calculate power?
Work divided by time
On a rollercoaster, where would the cart have the most potential energy?
a. At the top of the drop
b. In the middle of the drop
c. At the bottom of the drop
A. At the top of the drop
Which of the following is a substance?
a. Table salt
b. Seawater
c. Sand
A. Table salt
What property can be used to identify substances?
a. Weight
b. Volume
c. Density
c. Density
A measure of how hot or cold something is?
Temperature