Milestone

The four diagrams represent electromagnetic waves. Which wave transmits the MOST energy?

• A

• B

• C

• D

Tags

NGSS.HS-PS4-1

The diagram represents a ray of light entering a glass block from air. Also represented are four choices, W, X, Y, and Z, for the subsequent path of the light ray.

• W

• X

• Y

• Z

Tags

NGSS.MS-PS4-2

A student is planning an investigation to determine the relationship between magnetism and the movement of electrical charge in a circuit. A diagram of the circuit is shown.

The student is planning to make changes to the circuit to see how the changes will affect the number of paper clips that are picked up by the electromagnet. What is the likely effect of the magnetic field if the student adds more coils?

• increase

• decrease

• no change

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What is a significant milestone in the development of the periodic table?

• Discovery of the electron

• Introduction of atomic number

• Development of quantum mechanics

• Invention of the microscope

• Newton's Laws of Motion

• Einstein's Theory of Relativity

• Maxwell's Equations

• Bohr's Model of the Atom

What milestone discovery did Watson and Crick achieve in the field of biology?

• Structure of DNA

• Theory of Evolution

• Cell Theory

• Photosynthesis Process

Tags

NGSS.HS-LS1-1

Which milestone in chemistry involved the synthesis of urea?

• Discovery of penicillin

• Synthesis of aspirin

• Wöhler's synthesis

• Development of the Haber process

What is a major milestone in the study of genetics?

• Discovery of the double helix

• Mendel's Laws of Inheritance

• Human Genome Project

• Discovery of ribosomes

Which milestone in astronomy involved the heliocentric model?

• Ptolemy's Geocentric Model

• Copernicus' Heliocentric Model

• Kepler's Laws of Planetary Motion

• Galileo's Telescope Observations

What milestone in environmental science is associated with the Montreal Protocol?

• Reduction of greenhouse gases

• Protection of the ozone layer

• Conservation of biodiversity

• Prevention of deforestation