The brain of the cell
What is the nucleus?
Gives the body structure and support
What is the skeletal system?
These are positively charged particles in an atom
What are protons?
Comparing something that is stationary to something that is moving
What is frame of reference?
The number 35.556 rounded to the tenths place
What is 35.6?
Allows things in and out of the cell
What is the cell membrane?
Helps the body to move
What is the muscular system?
These are negatively charged particles in an atom
What are electrons?
For every action, there is an equal but opposite reaction
What is Newton's third law?
A triple beam balance measures
What is mass?
Holds water, food, and wastes
What is the vacuole?
Transports nutrients and oxygen throughout the body
What is the circulatory system?
These are neutral particles in an atom
What are neutrons?
Sand is put on icy roads because it creates
What is friction?
The formula for density
What is D= m/v?
The power house of the cell
What is the mitochondria?
Takes in oxygen and removes carbon dioxide
What is the respiratory system?
An atom's atomic number is equal to
What is the number of protons?
A seesaw is this type of simple machine
What is a lever?
The variable on the x-axis
What is the independent variable?
These two parts are found in plant cells only
What is the cell wall and the chloroplasts?
This system removes wastes from the body
What is the excretory system?
An atom's atomic mass is equal to
What are the protons plus the neutrons?
A bicycle is this
What is a compound machine?
The variable that stays the same
What is a control?