Achievement Practice Flashcards
What is the food making process in a plant?
photosynthesis
A change that makes a totally new substance. (ex. molding, burning)
chemical change
This is caused by the tilt of Earth’s axis as it revolves around the sun.
four seasons
Things that make their own food through the process of photosynthesis; always at the bottom of a food web or chain.
producers
Egg or oval shaped.
elliptical
The number of vibrations per second.
frequency
An average star in size, brightness and temperature; closest star to Earth.
sun
These organisms get their energy by breaking down the remains of dead organisms and returning their nutrients to the soil.
Decomposers
How high or low a sound is.
pitch
Factors that can change or be kept the same during an experiment.
variables
This always transfers from the warmer object to the cooler object.
thermal energy
This measures air pressure.
barometer
This changes the size, shape, or state of matter of an object.
physical change
To protect, preserve and save Earth’s resources.
conservation
The path Earth follows around the sun.
orbit