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STEM news / facts
100

Subtract (x3+2x2-x+7) from (4x3+6x2+2x-7)

What is 3x3+4x2+3x-14?

100

what does vectors have that scalars lack?

what is direction?

100

Two species arise from a common ancestor.

What is divergent evolution?

100

what is the avogadro's number?

what is 6.02 x 1023?

100

The largest and most powerful space telescope to date.

What is the James Webb Space Telescope?

200

simplify √4

what is 2?

200

A straight v-t graph with a positive slope has this kind of motion.

what is constant positive acceleration?

200

Contains xylem and phloem and is used to transport sugars and other solutes around the plant.

What is a vascular tissue?

200

The number of bonds in CO.

What is 3?

200

Telescope that captured the photo, Pillars of Creation. 

What is the Hubble Space Telescope?

300

If cosσ=-1, what is the value of sinσ ?

what is 0?

300

The work per unit charge necessary to move a charged body in an electric field from a reference point to another point, measured in volts.

What is potential?

300

Mixes with the host cell becoming part of the DNA so when it muliplies the DNA is infected. How a retroviris works.

What is the Lysogenic Cycle?

300

what is the electron configuration of Na?

what is 1s^2 2s^2 2p^6 3s^1?

300

The radioactive element of hydrogen that can't be removed from the Japan's nuclear waste water. 

What is tritium?

400

A reciprocal graph exists at (√3, √3) and (-√3, -√3), what could be its equation?

what is y = 3/x?

400

A 2-kg mass is oscillating horizontally on a frictionless surface when attached to a spring. The total energy of the system is observed to be 10 J. If the mass is replaced by a 4-kg mass, but the amplitude of the oscillations and the spring remain the same, the total energy of the system will be?

What is 10J?

400

This integral membrane protein actively moves 3 sodium ions out of the cell while bringing in 2 potassium ions.

What is the Na/K pump?

400

carboxylic acid + alcohol

What is an ester reaction?

400

A polycrystalline material made out of lead, oxygen, and phosphorus claimed to be the world’s first room-temperature ambient-pressure superconductor.

What is LK-99?

500

what are the solutions to this equation: log4(x2−2x)=log4(5x−12)

what is 3 and 4?

500

A 2-N force is used to push a small piston 10 cm downward in a simple hydraulic machine. if the opposite large piston rises by 0.5 cm, what is the maximum weight the large piston can lift?

What is 40N?

500

The name of the chemical reaction in which two monomers are joined to form a polymer and water.

What is dehydration synthesis?

500

The letters s, p, d, f stand for...

What is sharp, principal, diffuse, fundamental?

500

The number of Starlink satellites launched from California by SpaceX (Oct. 29)

What is 22?

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