what is a compound
two or more atoms chemically bonded together
what is a mixture?
two or more atoms NOT chemically combined
what are two types of wave
transverse and longitudinal
what is an adaptation
a feature that helps an animal survive
what features help a camel survive
hump, large feet, brown fur, long eyelashes
how is energy lost in a food chain
heat and movement
what is an element
one type of atom
what does soluble mean
can dissolve in water
what does insoluble mean
cannot dissolve in water
what does dissolving mean?
mixed with the water to look like it has disappeared
what is a wave
vibrations that transfer energy from one place to another
what is an independent variable
the thing we change
what is a dependant variable
the thing we measure
what is the control variable
the thing we keep the same
