Experimental Design
The independent variable is the variable that is ____________________.
What is intentionally changed?
The charge of an electron.
What is negative?
The name of a material that prevents the flow of electrons.
What is an insulator?
The name of the highest point on a wave.
What is the crest?
The dependent variable is the variable that is ____________________.
What is measured?
The charge of a neutron.
What is no charge?
Mr. Romero has conductive wires and a light bulb. Name one more thing that Mr. Romero needs to make a complete circuit.
What is a power source/battery?
The name of the part of the wave that represents the amount of energy in the wave.
What is amplitude?
The name of the variable(s) in an experiment that have to be kept the same.
What are constants?
The name of the interaction that occurs between protons and electrons.
Paperclips, iron nails, metal coins, and copper wires are all examples of ____________________.
What are conductors?
The wave property that directly corresponds to the color of a visible light wave.
What is wavelength/frequency?
Your friend wants to find out what happens to the brightness of a circuit if you build it with different-sized batteries. What is the independent variable?
What is the size of the battery?
The name of the interaction that occurs between two electrons.
What is repulsion/repelling?
The name of a circuit that has only one pathway available for electrons to flow.
What is a series circuit?
The name of the wave interaction that causes light waves to bend.
What is refraction?
You and your friends want to know if a cell phone will break when dropped from different heights. What is the dependent variable?
What is whether or not the phone breaks?
You hold a negatively charged balloon up to your head, and your hair sticks to the balloon. What is the charge of your hair that allows for this to happen?
What is positive charge?
The name of a circuit that you might make to increase the current and brightness of the light bulbs.
What is a parallel circuit?
Name the thing that is required for sound waves to travel but not for light waves.
What is a medium?