Body Systems
There are 8 major body systems, name them
muscular, skeletal, digestive/excretory, nervous, respiratory, circulatory, immune, endocrine
If an ice cube is heated up it changes from a _______ to a __________
solid-liquid
Sound is made by ______
vibrations
Light travels in a ______ line until it is ________.
straight - blocked
This energy is formed by movement
Kinetic
These two systems work together to help us move.
muscular, skeletal
The temperature at which a liquid freezes is ______
32 f
The pitch of a sound is determined by the _______ of a sound wave.
frequency
When light passes through water or another substance and bends it is called _________
possible or stored energy
potential energy
These 3 organs make up the system that allows our body to react an sense the environment around us. What are they?
Brain, spinal cord, nerves
As a solid is heated up, what happens to the molecules inside?
They move more and are farther apart
The volume of a sound is determined by the _______ of the sound wave.
height
Objects absorb which colors?
all colors except for its own color
Where does radiant energy come from?
The sun or other light sources
What is the correct path for food to travel from the "in" to the "out"?
example: brain, nose, feet
mouth-throat/esophagus- stomach-small intestine-large intestine
When a liquid turns to a gas it is called ________
evaporation
When sound bounces of something and you can hear it, it is called an _______
echo
A mirror shaped in this way makes things appear smaller.
convex
Energy that is stored in moving gears or axles is called _________ energy
mechanical
This organ is the most important organ in the respiratory system, without it, you can't breath.
diaphragm
The opposite of evaporation is ____________
Hint: think of sweating
condensation
A sound that has frequent waves that are super large is a sound that has a very ________ pitch and _______ sound.
High - Loud
A mirror shaped in this way makes things appear bigger.
concave
The ability to move or cause a change in matter is known as ________
energy