PMA

Examine the distance vs. time graph below and determine which of the following statements best describes the motion displayed on the graph.

• the object is not moving (zero speed)

• the object's distance is increasing over time(constant speed)

• the object’s distance is decreasing over time

• the object is slowing down over time

Tags

NGSS.MS-PS3-1

What causes the lady to get dragged?

• Unbalanced forces

• Balanced forces

• friction

• gravity

Tags

NGSS.HS-PS2-1

What is happening at D?

• Stationary

• Accelerating

• Fast steady speed; moving away from the starting position

• Slower steady speed; moving away from the starting position

Tags

NGSS.HS-PS2-1

How does heat always transfer (flow)?

• cold to hot

• hot to cold

Tags

NGSS.HS-PS3-4

Potential Energy is the energy of...

• Storage

• Heat

• Position

• Motion

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-2

What is an independent variable?

• The factor that the scientist changes in the experiment

• The factor that remains the same throughout the experiment.

• The factor that changes as a result of the test variable.

Tags

NGSS.MS-PS2-2

What does PMA stand for in the context of scientific research?

• Positive Mental Attitude

• Polymethyl Acrylate

• Post Mortem Analysis

• Pre-Market Approval

In the field of chemistry, PMA is often used as an abbreviation for which compound?

• Polymethyl Acrylate

• Polymerase Molecular Analysis

• Phosphomolybdic Acid

• Phenylmethylamine

Which of the following is a common application of Polymethyl Acrylate (PMA) in industry?

• As a food preservative

• In the production of paints and coatings

• As a catalyst in chemical reactions

• In the manufacturing of electronic chips

PMA is used in the synthesis of which type of polymer?

• Thermoplastic

• Elastomer

• Thermosetting

• Biopolymer