stuff
what simple food is created during photosynthesis
sugar
all mater is made up of
atoms
what type of organism breaks down dead plants and animals?
decomposers
why is color a poor property to use when identifying minerals
many minerals have the same colors and some minerals come in lots of different colors
what are the 3 phases of matter
solid liquid gas
what is the resistance to scratching called
hardness
what is the force that holds things to the ground
gravity
organisms that eat other organisms
consumers or hetertrophs
where in a rock outcrop(layers of rocks) would I find the oldest fossils
at or near the bottom layer
where on the periodic table are the noble gases
group 18 far right
how are igneous rocks formed
by magma solidifying or lava cooling
what is one safety procedure to follow when dealing with open fire in lab
don't wear long sleeves, no open toe shoes, tie hair back
plants are called producers because
they make or produce their own food
rubbing a mineral on a white or black plate test for what property
streak
is melting ice into a liquid a physical or chemical change
physical
animals that look similar but can not mate are probably in the same animal ______ but a different _______
kingdom - species
where are volcanoes and earthquakes generally found
on plate boundaries
what is a community?
what are the 3 main layers of the earth (land, water, air)
Lithosphere, hydrosphere, and atmosphere
give an example of a chemical change and a physical change
lots of answers
explain how fossils of the same organisms are found in south america and africa
plate tectonics caused the continents to separate
How are molecules arranged in gases
spaced out throughout the entire container
why does the bottom of the food chain have tons more energy than the top?
energy is lost as you go up
why do we study fossils
learn about past environments and past life on earth
what is a compound
two or more elements chemically bound together