What is the best shape through which we can model the path of a celestial body?

• A sphere with the center of motion away from the shape’s center

• An oval

• An ellipse

• A perfect circle

Is it possible to measure the absolute energy in a system?

• No, as it is impossible to comprehensively account for every joule in the body

• No, as it is extremely cumbersome to account for every single molecule and atom in the body

• Yes, as bodies are not that large to measure energy for.

• No, as energy is a vector.

Is it possible to measure both the position and momentum of a particle, at an atomic scale, at the same time?

• Not quite, although we can within a certain extent of accuracy.

• Not at all, owing to the untraceable velocity of electrons.

• Yes, as position and momentum both depend on the velocity of the electron.

• No, as electrons only absorb, but do not emit enough light to allow us to even vaguely determine their location.

What is the value of the speed of light?

• 3 x 10^8

• 299,792,458 mi/s

• 299,792,458 m/s

• 300 miles per millisecond

Why is it that conductors of electricity are able to let current pass through?

• Free electrons are present to transfer the current

• The atoms within the material are mobile enough to help conduction

• The materials provide no resistance across multiple temperatures

• The element has enough electrons

Which is the best answer for why atomic radius decreases as you go across the periodic table?

• Electronegativity is decreasing

• The mass increases

• Ionization energy increases

• The atomic number increases

Which of the sequences is the correct order of transferring information in most organisms?

• protein to DNA to RNA

• RNA to DNA to protein

• DNA to RNA to protein

• RNA to protein to DNA

Anything that causes a response from an organism is known as?

• response.

• stimulus

• irritability

• technique.

Which of these is the cause of genetic mutation

• genetic equilibrium.

• disruptive selection.

• speciation

• genetic variation.

How many pairs of chromosomes are there normally?

• 23

• 46

• 15

• 49