Chemistry
Human Body
Plants
Ecosystems
General Knowledge
100

This is the smallest unit of matter.

Atom

100

This is the smallest functional unit of all living things.

Cell

100

This is the plant structure that absorbs water.

roots

100

These are the NON-living things in an ecosystem.

Abiotic factors

100

Mexico is on this continent.

North America

200

This is the term for when two substances interact, creating at least one new substance.

Chemical reaction

200

A structure that is composed of similar types of tissue that perform a specific function for the body is called a ____________. It is the structure that creates different systems.

Organ

200

This is the structure plants use to absorb sunlight.

Leaf

200

These are things all organisms require

Resources

200

If 9-x=3.5 what does x equal?

5.5

300

In this type of reaction the surroundings get warmer.

Exothermic

300

This is the chemical reaction that all organisms use to produce energy.

Cellular respiration

300

What food molecule is present in ALL foods that come from plants?

carbohydrates (sugar/glucose)

300

This is an organism that uses photosynthesis to make its own food (like plants)

Producers

300

He was the 16th president of the United States and his picture is found on both the 5 dollar bill and the, now discontinued, penny. 

Abraham Lincoln

400

Air has both mass and volume. This means that air is _____________.

Matter

400

This is the process where food is physically mashed up by the body.

(be specific)

mechanical digestion

400

This plant input is NOT one of the necessary things for photosynthesis.

Nutrients

400

This is the type of symbiotic relationship where both organisms benefit.

Mutualism

400

This British band's members names are John, Paul, George and Ringo.

The Beatles

500

This is the type of heat transfer where the thermal energy passes from one object to another when they in DIRECT CONTACT (touching each other)

Conduction

500

This is the process that allows the small food molecules to enter the bloodstream.

Absorption

500

Photosynthesis is a chemical reaction plants do that produces ___________ and _____________.

(you need to get both to get the points)

glucose (sugar) and oxygen

500

If an invasive species is introduced to an ecosystem, and it is an apex predator, it will cause the carrying capacity of secondary consumers to ___________.

decrease

500

This is the name of the trophy the champion of the National Hockey League (NHL) receives.  

The Stanley Cup