Atmosphere
Layers of the Earth
DNA
Energy Sources
Life Science
100

The Atmosphere is mostly made up of what two gases

What are Nitrogen and Oxygen

100

The earth's crust thickness

5-40 km

100

The Cellular ORganelle that contains DNA and controls the function of the cell

Nucleus 

100

Most common fossil fuel

Coal

100

The term for the point on a ste mat which a leaf is attached

What is a node

200

Measurement of the amount of water  vapor in the air is called

What is Humidity?

200

Earth's interior layer hast two distinct layer's

The core

200

All genes are made of DNA, but not all DNA is

Genes

200

Natural gas is made up of 

Methane

200

The Hirudinea is the class that contains the following organism

Leeches

300

Boundary where two air masses meet

A Front

300

Process that acts on Earth's surface to break down rocks in to pieces

Weathering

300

Instructions for how to make proteins

What is Genes
300

Hydro power is what kind of energy source?

Renewable 

300

The Human eye focuses light through the lenes onto what photosensitive structure

Retina

400

Storm that is associated with the term "lake effect"

Winter Storm

400

Metallic, glass, earthy and pearly are words that describe a mineral's

Luster

400

DNA makes RNA, and RNA makes

What is protien

400

Electricity is a what kind of energy source

Secondary

400

Fungi are what kind of feeder's.

They are Heterotrophs

500

The layer layer protects us from the UV rays from the sun

The Ozon layer

500

The step in the process of a rock changing from sedimentary to igneous?

 melting

500

The number of DNA letters constrained in every cell

What is 3 Billion?

500

Nuclear energy is a clean or does it c cause pollution

What is clean
500

Glucose is sued by plants for

Food