What is a force?
A push or pull on an object
Different types of ecosystems __________ and _______ on each other.
Interact, Depend
Energy can be __________ from one form to another.
What part of the plant is responsible for reproduction?
The flower
Opposite charges ________
attract
Who discovered gravity?
Sir Isaac Newton
What is Biomass?
The measurement of life in an ecosystem.
Define Potential energy.
Energy when it is stored.
The ________ is the male reproductive part of the plant.
Stamen
Similar charges _______
repel
What is the formula for force?
Force = Mass x Acceleration
What produces energy for a producer?
Define Kinetic energy.
Energy when it is moving.
What is the female reproductive part?
Carpel
Positive charges are called _________.
Protons
Describe Newton's first law.
An object at rest will remain at rest unless acted upon by another force.
A _______ is a series of food chains.
Food web
Kinetic energy will _______ be as big as potential energy.
NEVER
What two parts make up the stamen?
Anther and Filament
Negative charges are called ______
Electrons
What rate does gravity increase an object's velocity?
9.8 m/s/s
Consumers use ______% of energy from what they eat to build their mass.
10
We measure food chemical energy in ________.
Calories.
What needs to fuse together in order to form a zygote?
The male and female gametes
________ allow free electrons to move freely throughout them.
Conductors