An experiment with only one variable changing at a time
What is a controlled experiment?
To light a bulb, a complete circuit needs this
What is a power source?
The parts of a cell
What are organelles?
The atria and ventricles
What are the chambers of the heart?
This follows, "I pledge allegiance to the Earth"
What is "and all the life that it supports?"
The pivot point
What is the fulcrum?
___/\/\/\/---- is (more or less) a symbol of this
What is a resistor?
The energy generators in a cell
What are mitochondria?
The smallest bone is located here
What is the ear?
The UE team with the most World Cup wins
What is Team USA?
A wheelbarrow is an example of this simple machine
What is a lever?
A circuit device that only sends current in one direction
What is a diode?
Where red blood cells are produced
What is bone marrow?
Chyme passes from the stomach to this organ
What is the small intestine?
The best chocolate
What is Hershey?
You can apply less effort to a simple machine if this is increased.
What is distance?
This is needed to create a current in a loop of wire
What is a moving magnet?
These tiny tubes bring oxygen in and carbon dioxide out of cells
What are capillaries?
Your shoulder is an example of this
What is a ball and socket joint?
Snack after ice skating
What are Doritos?
The number of swings of a pendulum is only dependent on this
What is length?
This circuit splits the current
What is a parallel circuit?
Genetic trait carriers in the nucleus
What are chromosomes?
The outermost layer of skin
What is the epidermis?
Something wrong with Encyclopedia So-Sz
What is upside-down?