Forces and Sources
natural substance that is not replenished (oil, coal)
Non renewable means
Eats only plants
herbivore
a push or pull
force
the transfer of food energy from one organism to the next in an ecological community is called
food chain
The largest planet is
Jupiter
an energy source that has a continuous supply (solar power, wind power)
Renewable means
plants that make their own food
producers
a force of attraction between 2 objects
gravity
shows how food chains over lap
food web
Earth is about _____ from the sun
91.95 million miles away
power from a physical or chemical resource
energy
This is what an animal who breaks down dead things is called
What is a decomposer?
the location of an object in relation to a nearby object or place
position
Carbon dioxide is
colorless, odorless gas produced by burning carbon
What planet is known for its many rings?
Saturn
distance is
how much ground an object has covered during its motion
eats only meat or other animals
carnivore
change in position
motion
a disturbance that transmits energy
wave
How long does it take for Earth to orbit the sun?
365 days
forces on an object that are equal in size and opposite in direction
balanced forces
eats both meat and plants
omnivore
tells you how the position of an object changes during a certain amount of time
speed
What toold would I use to find the mass of an object?
A balance scale
How many days does it take for the lunar (moon) cycle?
28 days
forces that cause a change in motion
unbalanced forces
eat organisms
Consumers
the speed of an object in a particular direction
velocity
measured in decibles
the volume of sound
T or F
Planets closer to the sun orbit faster than planets farther away.
True
rank the following from least mass to greatest mass
baseball, steel ball, foam ball
foam ball, baseball, steel ball
a group or animals of the same species
population
a force that opposes motion
friction
the number of vibrations in a unit of time
frequency
natural body that revolves in an orbit around a star
planet
when balanced forces act on an object, the object
doesn't change its motion
different populations that share an ecosystem
a community
any change in velocity,
acceleration
focuses light, brings light waves together
convex lenses
a path that one object takes around another object
orbit
an object moving through the air slows down because it is affected by
the force of friction
all the living and non living things that surround and affect an organism
environment
True or false
a fly traveling in a straight line while slowing down is not an example of acceleration.
false
acceleration is any change in direction, speeding up or slowing down
What are the five basic senses that humans have?
Sight, hearing, smell, taste, and touch.
Is the Sun a planet or a star?
a star
explain the forces acting on a soccer ball being kicked as it moved toward the foot
force of foot kicking the ball caused the ball to change direction so the forces were unbalanced
This is the process called when leaves on trees use sunlight for energy?
What is Photosynthesis?
before you describe how an object in a picture moved you need to have
reference point
List the steps in the scientific method
Observe, problem, hypothesis, experiment, results, conclusion
What are the planets in order from the sun?
M V E M J S U N P