how does light travel?
in straight lines
what is an example of ironing cloths.
conduction
what is perception?
rain,snow,sleet,or hail
A shaking or sliding of the ground. It is caused by the sudden movement of masses of rock along a fault
earthquake
This organelle stores food, nutrients, water, and waste material.
valcoule
what is it called when light bounces off a surface?
Reflection
what is your normal body tempture
98 degrees farinenheight
what would happen to a balloon with helium in it when heated up.
it would rise
A weak spot in the crust where magma has come to the surface
valcano
All cells come from what?
pre existing cells.
what are visible wave lengths that allow us to see?
light
when liquid becomes a gas is heat decreased or increased?
incressed.
What is humidity?
the amount of water vapor in the air.
who proposed the continental drift theory in the 1900s
Alfred Wegener
all living things are made out of?
cells
what is it called when a surface does not allow light to pass through
opaque
in what state of matter does radiation occur in
gases
What is the name of the term for the place where one air mass ends and another begins
front
The hypothesis that states that the continents once formed a single landmass, broke up, and drifted to their present locations
continental drift
this organelle takes in light and makes in food for plants,what is it?
chlorplast
what is it when a ray of light changes directions when is passes from one transparent object to another.
Refraction
what is thermal energy?
A total amount of kinetic energy in an object
what are clounds?
water droplets or ice crystals from evaporation.
what is the thinner, more dense, younger crust making ocean floor
oceanic crust
Long chains of amino acid molecules are called ______,
ribosomes.