Magnetism
Magnets can be used to detect ________.
iron
Moh's scale
organisms that make their own food from energy of the sun
producers
why does day and night occur?
the Earth rotates on its axis
What type of organism eats everything?
omnivore
Like poles __________
repel
What type of rock is made from broken down remains of other rocks?
sedimentary rock
organisms that break down dead animals into smaller parts
decomposers
What is the longest day of the year called?
summer solstice
what type of lens is thinner in the middle and thicker at the edges
concave
A bulb is an energy ______________
converter
What describes how a mineral reflects light?
Luster
A source of matter and energy for organisms
food
what three things can light do?
reflected, refracted, or absorbed
who developed the Scientific theory
Francis Bacon
What opens and closes a circuit?
switch
type of rock that come from melted rock in Earth's mantle
igneous
organisms that only eat producers
primary consumers
Earth is tilted on its axis and pointed toward the distant star named ______________
What part of the eye contains photo receptor cells?
Retina
What type of circuit has only one pathway for current to flow?
series
this describes how a mineral breaks leaving a jagged surface
fracture
The area in which an organism lives
Habitat
Why do we have a February 29 once every four years?
It takes 365 1/4 days to orbit the sun. Every four years we add 1 day (4-1/4)
What is the tough outer lay of the eye called?
sclera