Scientific Method and Engineering Design
What is Step 1?
Ask a Question
If something has a larger density it will? (Sink/Float)
SINK
What are Physical Properties of Metals and where are they located on the Periodic Table?
Physical Properties: Shiny (Luster), Malleable, Ductile, Great Conductors
Located on Periodic Table: LEFT
What is Newton's 3rd Law of Motion?
"For Every action there is an equal and opposite reaction"
What are 3 types of Potential Energy?
1. Gravitational Potential
2. Elastic Potential
3. Chemical Potential
What is Step 2?
Do your Research
What are the Physical Properties of a Solid?
Solids have a definite shape and a definite volume.
What are the Physical Properties of NONMETALs and where are they located on the Periodic Table?
Physical Properties: Poor Conductors, Dull Luster, Brittle
Location on Periodic Table: RIGHT
What is the Net Force of a Balanced vs Unbalanced Forces?
Net Force is 0 for Balanced Forces
Net Force is NOT 0 for Unbalanced Forces
What are 5 types of Kinetic Energy?
mechanical
thermal
sound
light
electrical
What is Step 3?
Conduct/Make a Hypothesis
What are the Physical Properties of a Liquid?
Liquids have an indefinite shape and a definite volume.
What are the Physical Properties of METALLOIDS and where are they located on the Periodic Table?
Physical Properties: Semi- Conductors, Can be Shiny or Dull, Can be Malleable or brittle
*Have properties of both Metal and Nonmetals
Location on Periodic Table: Stair Step/ Zig Zag
When do you ADD or SUBTRACT when solving for Net Force?
Add when the forces are in the SAME direction
Subtract when the forces are in the OPPOSITE direction
What are the 2 types of Mechanical Waves and they require what to travel?
1. Transverse Waves
2. Longitudinal Waves
Medium
What is Step 4?
Test with an Experiment
What are the Physical Properties of a Gas?
Gases have indefinite shape and indefinite volume.
What is the difference between physical and chemical changes?
Physical changes are changes to the appearance or form of a substance and Chemical Changes form a new substance.
What are the 2 types of Noncontact Forces?
1. Gravity
2. Magnetism
In a Longitudinal wave how do the particles move in comparison to the waves movement? Give an Example.
PARALLEL, Sound Energy
What is Step 5 and Step 6?
Step 5: Collect Data
Step 6: Communicate Results
What is a Heterogeneous Mixture, Homogeneous Mixture, and Pure Substance?
Heterogeneous Mixture- Unevenly mixed, visibly different parts
Homogeneous Mixture- Evenly Mixed, "Mixtures"
Pure Substance- Made up of ONLY 1 atom throughout
What are the Signs a Chemical Change has occurred?
1. Unexpected Color Change
2. Unexpected Temperature Change
3. Precipitate Form
4. A Gas is Produced
What are the 3 Contact Forces?
1. Friction
2. Normal Force
3. Applied Force
In a Transverse wave how do the particles move in comparison to the waves movement? Give an Example.
PERPENDICULAR, Light Wave