Earth, moon and sun
What causes tide in the ocean
the gravitational pill of the moon
when one tectonic plate slides beneath another.
What does a compass needle always point north
it always point north because there is a magnet in the compass with the earth magnetic field
5 way an object motion can change
speeding up, slowing down, changing direction starting from rest, coming to a stop.
what is speciation
what causes the seasons
The earths tilt on it's axis while it revolves
What boundaries causes earth quakes
transform boundaries
Does a compass always point north
the compass need follows the pattern of the magnetic field lines
difference between speed and velocity
velocity direction and speed is not
how do fossils help scientists understand evolutionary history.
studying the fossil record and trace the features of the living organism
What are the 8 phases of the moon
New moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, last quarter, waning crescent
What was the super continent called
Pangaea
How are magnetic field line helpful
help predict the direction of the forces pulling or pushing different magnets
can a force stop motion
yes it can a force in a different direction
how do structure change over time
the evolution process by natural selection
What are the 4 main layers of the earth
the crust the mantle, the outer core, inner core
Pangaea existed this many millions of years ago
250 million years ago
what are some ways that electric fields are similar
they both exert force
What are forces like in a collision
in collusion they are equal and opposite forces
how do mutations contribute to evolutionary change
new allies into a population
how long is one cycle of moon phases
29.5 days
What caused pangea to break apart
the moment of the earth lithosphere plates
where does kinetic energy in extreme sports come from
the athlete own body and stored potential energy
in a collision how do forces affect the object
in a collision forces cause object to change there motion.
what is the difference between dominant and recessive traits
dominant traits are expressed with just one copy of the allele and recessive traits requires 2 copies