heat and temp
Energy is transferred as heat between two objects of ___________ temperatures.
differing
What is a transverse wave?
a wave vibrating at right angles
Gases have...
An arrow that is pulled back by a bow has which type of energy?
elastic potential
What does motion mean?
the object changing in its positions overtime
A(n) _____________ is a device for measuring temperature.
What is a longitudinal wave?
a wave vibrating in the direction of propagation
What are the states of matter?
solid, liquid, and gas
Energy due to motion is ____________ energy.
Kinetic
what is the deffinition of velocity
rate of change in postion
All matter is made of _____ that are constantly moving.
Can sound make a wave go higher?
yes
Liquids have...
No definite shape but a definite volume
Gravitational potential energy depends on the ________ and ________ of the object.
Height, mass and gravitational strength
true or false :
The motion of an object can change over the course of its movement
true
If an object has particles that are moving very slowly, the object's temperature is probably ______.
cold
Does pitch effect the frequency of the wave?
no
Solids have...
a definite shape and volume
Which is the best example that something has kinetic energy?
b. a tennis ball rolling across the court
The measure of how quickly something moves or the distance it moves in a given amount of time is called
speed
If an object has particles that are moving very quickly, the object 's temperature is probably _____.
hot
do mechanical waves need a medium to travel through?
yes
The slower the particles in a substance move,
the colder it is
A 0.40 kilogram bird is flying at a constant speed of 8.0 m/s. What is the bird's kinetic energy ?
12.8 J
a vector whose length is the shortest distance from the initial to the final position of a point undergoing motion.
displacement