Show:
Activity 1-2-3
Activity 4-5
Activity 5
Nitrogen Cycle
Activity 6 -7
Activity 7-8-9
100
What is the location of Chris's garden?
At his school.
100
Where were the larger particles of soil located in the tubes after you added water, mixed them and then let them sit for a bit?
On the bottom layer.
100
Why is it important for plants to grow in soil containing organic matter?
Organic matter puts nitrogen back into the soil.
100
Color, texture, and consistency are all ways scientists do what?
Describe soil.
100
Do all regions of the United States have the same types of soils?
No
200
What is colder? 30 degrees Fahrenheit or 30 degrees Celsius
What is Fahrenheit.
200
What does composition of the soil mean?
What the soil is made of.
200
What nutrient is found in the soil and is required for all living things to live.
Nitrogen
200
What does texture mean?
How the soil feels.
200
What can you buy and put on soil to help plants grow?
Fertilizer
300
Which soil had more organic matter?
Soil B
300
Was the composition of soil A and soil B the same?
No
300
What percent of the atmosphere contains Nitrogen?
78%
300
Grainy, Silky, and Sticky are all ways to describe what characteristic of soil?
texture
300
What do plants need to grow? (4 main things)
Sun - Water - Nutrients in Soil - Space
400
Give three words that describe one of the soils.
light brown - dark brown - dry - plant matter - gritty - lumpy
400
What is weathering?
The breaking down of rock into smaller pieces.
400
Name one thing that puts Nitrogen into the soil.
Lightning - rain - dead plants - dead animals - animal waste
400
Loose, friable and firm are all ways to describe what characteristic of soil?
Consistency
400
What caused the dust bowl?
Over planting of crops over many years and drought.
500
What is soil made of?
Organic and Inorganic matter
500
What does the term decomposing mean?
Rotting, decaying, or breaking down of organic matter.
500
What one celled organism is required to get the nitrogen from a dead plant or animal to go into the soil?
Bacteria
500
Would soil in Florida and Arizona be more like our soil sample A or B?
A - sandy
500
What ended up being the problem with Chris's school garden?
Lack of nutrients in the soil - lack of nitrogen.