periodic table
plants
ecosystem
the earth
100

This element is number 7 in the periodic table

what is nitrisen

100

things you need to have a working plants so it doesn't die.

what is sun and water,carbon dioxide.

100

ecosystem which has mostly grass

what is grassland

100

what is the first layer of the atmosphere

what is a troposphere

200

number of elements on the periodic table.

what 118 element

200

what goes in plant for them to grown

what is carbon divide,water,and sunlight

200

name something that the sun gives energy to 

cranberry/plants 

200

what is the second layer of the atmosphere 

what is a stratosphere

300

what is the heaviest element in the periodic table

 what is a uranium

300

what do plant use to make their own food 

sun

300

the coldest ecosystem  

what is tundra

300

what is the hottest planet on in the solar system

what is venus

400

This is an element that makes balloons go up

What is Helium

400

This is what makes plants green

What is Chlorophyll?

400

what is the hottest ecosystem 

Lut desert

400

The name for ice falling from the sky

What is hail?