random
Science
Physics
Chemistry
astronomy
100

What's found in the nucleus of an atom?

Protons and Neutrons.

100

What is the science word for what happens when Earth's plates grind past each other and form a fault?

What is an Earthquake?

100

How many significant figures are there in 0.0004568389 

7

100

The chemical name for the compound with the formula Na2S



What is sodium sulfide

100

What is the difference between a Meteor and a Meteorite?


Meteorites hit the ground, while Meteors burn in the atmosphere and turn into Meteorites.  

200

Which scientist discovered 13 different species of finches in the Galapagos islands?


Charles Darwin

200

Which group on the periodic table has elements with full valence shells?

Noble Gases

200

What is the acceleration due to gravity?

9.8 m/s2

200

Explain the trend of Atomic Radii on the periodic table.

Atomic Radii increases down a group and decreases down a period.

200

Which star color indicates the hottest temperature?

What is Blue

300

How many atoms are there in Ca(NO3)2

9 atoms

300

What is an isotope?

atoms of the same element that have the same number of protons

300

What is the specific heat capacity of water in J/kg?

4180 J/kg

300

Name 3 factors that affect solubility.

Temperature, Polarity, Pressure, Size, Agitation

300

What is the science word for a group of stars that form a pattern in the sky?

What is a constellation?

400

What is the equation for photosynthesis?

6CO+ 6H20 -------> C6H12O6 + 6O2

                           light

400

The large vessels that carry blood away from the heart are called...

Arteries

400

What creates a sound wave?  

object vibrations

400

Provide the full electron configuration and the orbital diagram for the sulfur ion (S2-). 

S2- = 18 electrons 

1s2 2s2 2p6 3s2 3p6


400

What is the speed of light?

 299,792,458 metres per second 


500

What does quantum mechanics mean?

Describes the behavior of atoms and molecules.

500

What are the 4 stages of mitosis in order?

Prophase, Metaphase, Anaphase, Telophase.

500

Does sound travel faster through a solid or a gas, and why?

Sound travels faster through solids, as the molecules in the solid are closely packed together. Due to this, they are able to transmit vibrations (energy) faster.

500

What is Avagadro's number?


6.022 x 10-23

500

What is the heaviest element a supergiant can synthesize before a supernova

What is Iron (Fe)