Biology
Chemistry
Physics
Earth Science
Something good or something bad
100


Where does chemical digestion begin in the digestive process


Chemical digestion begins when saliva is released in the mouth.


100

What is the name of the following compound?

Mg3(PO4)2 

Magnesium phosphate

100


When a lightray that is traveling parallel to the principal axis hits a concave mirror, where will it reflect?


Through the focal point

100


What term is used to describe the short term atmospheric conditions of a specific area?

Weather

100

#1

Your team gets 200 points

200


What is the primary purpose of red blood cells

Carry oxygen to the body.

(also takes carbon dioxide to the lungs to be exhaled) 

200

What is the chemical name of a compound that is formed with 2 sulfurs and 2 florines?


disulfur difluoride

200


How does the speed of light change when it enters a medium with a high index of refraction?


It slows down

200


How can you determine the age of a tree?


Count the number of rings

200

#2

Your team loses 200 points.

Sorry about that one...

300


This organelle contains most of a cell’s DNA

Nucleus

300


What do elements in the same family of the periodic table have in common?

Similar reactivity, same number of valence electrons

300


What is the first part of the eye that light passes through?


The Cornea

300


How can ice cores give us insights about how the temperature of earth has changed over thousands of years?


Analyze the CO2 trapped in the layers of ice

300

#3

Take 300 points from the team currently in first place.

If you are in first place, give 200 points to another team.

400


Aside from capillaries, what are the two types of vessels in animals and what do they do?

Arteries carry blood away from the heart.

Veins carry blood to the heart.

400


What are the products of a combustion of a hydrocarbon?


Carbon dioxide and water

400


When light passes through the focal point before hitting a converging lens, where will the light ray refract?


Parallel to the principal axis

400


Which greenhouse gas has the greatest impact on the atmosphere?


Water vapor

400

#4

Choose another question on the board. 

Other teams are not allowed to buzz in.

500

Name the two types of vessels in plants and explain what they do.

Xylem- moves water and dissolved minerals from the roots to the leaves

Phloem - Moves water, sugar, hormones throughout the plant

500


What would you expect the products to be if you mixed an acid and a base? What is this reaction called?

Neutralization,

An aqueous salt and Water

500


How does the angle of a light ray change as it passes from a dense substance (higher n value) into a less dense substance (lower n value)?

The angle of refraction is greater than the angle of incidence. 

(Further away from the normal)

500


This term is used to describe a planet's ability to reflect light and heat?

Albedo

500

#5

Take 1 point for your team 

or

Gift another team 500 points