Unit 1 - Safety/Scientific Method/EDP
A human need or want
Problem
The 3 States of Matter are...
Solid, Liquid, Gas
We model forces with what shape?
Arrows
A form of energy that moves through wires
A ________ is an observable event in the real world
Phenomenon
This step of BOTH the Scientific Method and the Engineer Design Process is important so that other scientists can understand results
Share
When a solid warms up, the particles _________. This process is called ________.
Forces that have the same strength can be described this way.
Equal
A form of energy that is measured by temperature
Thermal
Two parts:
A _____ is a substance that allows electrical or thermal energy to flow through easily.
A _____ is a substance that does NOT allow electrical or thermal energy to flow through easily.
Conductor, Insulator
The Scientific Method investigates ________; the Engineer Design Process seeks to solve ________
Phenomena; Problems
What is the property that describes amount of matter in a substance?
Mass
The energy an object has due to its motion is called ________.
Kinetic energy
A circuit needs what to allow for electrical energy to flow throughout it?
Wires
A noncontact force between two objects
Gravitational Force
A form of data described with words rather than numbers
Qualitative
What is a Solution?
A mixture where one substance is dissolved into another.
_________ force is a contact force that pushes against objects in motion.
Frictional
A battery stores __________ and transforms it into electrical energy to power devices
Chemical energy
A _________ is a path through which electrical energy can flow.
Electrical Circuit
When graphing data, which variable goes on the X-Axis?
Independent
A student combines 15 grams of sugar and 100 grams of water. After mixing, the sugar is no longer visible in the water. Explain what happened to the sugar AND tell me the mass of the final mixture.
The sugar dissolved, 115 grams
How would increasing the number of textbooks in your backpack affect the force needed to lift it?
It would increase the force needed to lift the backpack
Name a device that will have ALL of the following energy transformations:
-electrical to sound
-electrical to light
-electrical to motion
Phone (screen, speakers, vibrate), Car (lights, speakers, driving), CD player, video game console, etc.
When graphing data, which variable goes on the Y-Axis?
Dependent