Force and Motion
On a distance-time graph, this line means the object is at rest
what is a flat line?
what is low pressure?
this type of organism eats both plants and animals
what is an omnivore?
this group of elements is the most reactive since they only have one valence electron
what are the alkali metals?
the first stage of every star
what is a nebula?
this position is where an object has the most potential energy
what is the highest point?
this causes the seasons on Earth
what is the tilt of the axis?
this level on a food chain consumes the secondary consumer
what is the tertiary consumer?
these subatomic particles are found in the nucleus
what are protons and neutrons?
these tides occur when the Sun, Moon, and Earth are in a straight line and causes the tides to be more extreme than normal
what are spring tides?
the energy transformation for a flashlight
what chemical energy to radiant/light energy?
this is the approximate length of each phase of the lunar cycle?
what is 3.5 days?
this part of the cell generates chemical energy for the cell
what is the mitochondria?
this subatomic particle has a negative charge and is found outside of the nucleus
what is an electron?
this groups of elements make up the stair step line on the Periodic Table that divides metals and nonmetals
what are metalloids?
on a speed-time graph, this type of line means an object is traveling at a constant speed
what is a flat line?
close lines on a topographic map indicate this type of elevation change
what is steep?
this body system includes the brain and spinal cord
what is the nervous system?
this is number of ATOMS in the compound Na2O
what is three?
the number of neutrons in a carbon atom
what is six?
the SI unit for force
what is a Newton?
these can be used in areas of over-fishing to increase the biodiversity of an ecosystem
what are artificial reefs?
a long-term change in an ecosystem allows organisms time to do this
what is adapt?
this is an example of a greenhouse gas
what is carbon dioxide?
This is the overall charge of the nucleus in an atom?
what is postive?