Soil Plant Growth Lesson

Soil Expert in Training

Scenario

• You've just been hired by Portsmouth Soil Company

• Today you will go through new-hire training.

• Next, you will be assigned to a work site.

Multiple Choice

Which of the following is not a type of soil?

• Humus

• Sand

• Silt

• Clay

• Mud

Multiple Choice

Which type of soil is made from organic material like dead plants?

• Humus

• Silt

• Sand

• Clay

Soil Experts

As a soil expert you have to review data BEFORE providing recommendations. Thankfully two experiments were already done to help you.

How well Plants Grow

In this experiment, each soil was tested to see how well plants would grow. For each type of soil, 10 pots were filled with one cup of soil.

One seed was placed in each pot. The plants were watered daily for two weeks and a description of the plant growth after 10 days was recorded.

Multiple Choice

Which soil type grew the least amount of plants?

• Sand

• Humus

• Clay

Multiple Choice

Which soil type grew the most plants?

• Clay

• Humus

• Sand

Water Retention

To learn which type of soil drains the best scientests added 100mL of water to a pot of each type of soil.

A cup was placed below each pot to catch and measure the amount of water that drained from each pot.

THE MORE WATER THAT DRAINS, THE LESS WATER SOIL HOLDS

Multiple Choice

Which soil holds the most water

• Sand

• Clay

• Humus

Multiple Choice

Which soil drains the most water

• Sand

• Clay

• Humus

Congratulations

You've completed Soil Expert Training