Wavey
Define amplitude.
height of a wave
Define matter.
anything that has mass and takes up space
Primary source of energy on the planet
soleil
Scientists ______ our world.
explain/study
define science
the study of the natural world
The lowest point of a transverse wave is called...
trough
Potential energy is...
stored energy
An organism that produces it own food is called? Extra 50 points for an example
autotroph/producer
eg plants
Engineers _______ our world.
improve
Smallest building block of matter
atoms
extra points (what make up atoms?)
As wavelength increases, frequency...
decreases
Kinetic energy is...
energy of motion
What happens to energy is an ecosystem when it reaches the top of the food chain?
energy is transferred to the soil and back to the producers
A scientist makes a hypothesis. What does an engineer make to test a solution?
prototype
List the four states of matter
solid, liquid, gas, plasma
Numbers of cycles that pass a certain point in a given number of time
frequency
According to Newton’s First Law, an object in motion stays in motion unless acted upon by this.
another force/unbalanced force
The role of decomposers
break down dead matter
List the steps in the scientific method.
observe, question, research, hypothesis, experiment, analyze results, conclusion
Smallest unit of life
cell
The distance between the the highest and lowest point of a wave is 21cm. Find the amplitude
10.5 cm
Define mass.
how much matter is in an object
In a food web, when a top predator is removed, this often happens to prey populations.
increases
Explain why the engineering design process is NOT linear.
engineers often move back and forth between steps, refining their designs based on testing and feedback.
What is the law of conservation of mass?
matter cannot be created or destroyed. It only changes forms