Lesson 5 | Lesson 13
The Earthworm: Nature's Plow
Choose the correct word from each drop down menu! Type your name in the STUDENT box. Click CHECK for your grade! - This lesson accompanies STC Soils Lesson 10
When you go outside, look down. There is a world right under your feet! That is where earthworms live. Earthworms, redworms, and other worms spend a lot of time in the ground. Sometimes they come up where we are. Do you know where to find them? Look under a pile of old leaves or in a [1] scientist farmers dead compost humus pile. Worms go where they can find [2] scientist farmers dead compost humus plants to eat. A worm might seem small and plain. It might not seem [3] scientist farmers important dead compost humus . But a great [4] scientist farmers dead compost humus named Charles Darwin wrote a whole book about worms. He thought they were on of the most interesting animals he had ever studied. [5] And scientist farmers dead compost humus think worms are great! They know that worms make the soil better for planting. An [6] earthworm humus tunnels bristles space roots eats old leaves and helps turn them into [7] earthworm humus tunnels bristles space roots . It also eats big clumps of soil. It breaks up the big clumps.Worms mix the soil nicely. They are like tiny [8] earthworm humus tunnels elevators space roots . They carry old plants deep down into the ground. They bring minerals up to the top. Up and down, up and down they go. They can even move small stones! You can see why people like to call them "nature's plow." Can you dig [9] earthworm humus tunnels bristles space roots without a shovel? Earthworms can! They eat their way through the soil. As they go through the soil, they leave a tunnel behind. Stroke a worm gently. Try to feel its tiny [10] earthworm humus tunnels bristles space roots . The bristles help the worm hold on to the walls of its tunnel.Worm tunnels are very important. Each tunnel is an open [11] raining elevators space scientist in the soil. The tunnels fill up with air or water. Roots and animals under the ground need air and water. They would die without the air and water in the tunnels.Some [12] raining roots elevators space scientist even use worm tunnels as a place to live! When plants grow big, so do their roots. The roots need to spread out in the soil. The worm has made a path form them. So, the roots follow the worm's path.Have you ever seen worms on the ground when it [13] raining elevators space scientist outside? Rain is filling up their tunnels, so the worms must come to the surface. You can see them wiggling and crawling on the [14] raining elevators important ground space scientist .Earthworms are our friends "downstairs." Next time you jump rope or walk across the street, what do you think the worms will be doing way down under your feet? Type your name here:
When you go outside, look down. There is a world right under your feet! That is where earthworms live. Earthworms, redworms, and other worms spend a lot of time in the ground. Sometimes they come up where we are. Do you know where to find them? Look under a pile of old leaves or in a [1] scientist farmers dead compost humus pile. Worms go where they can find [2] scientist farmers dead compost humus plants to eat.
A worm might seem small and plain. It might not seem [3] scientist farmers important dead compost humus . But a great [4] scientist farmers dead compost humus named Charles Darwin wrote a whole book about worms. He thought they were on of the most interesting animals he had ever studied.
[5] And scientist farmers dead compost humus think worms are great! They know that worms make the soil better for planting. An [6] earthworm humus tunnels bristles space roots eats old leaves and helps turn them into [7] earthworm humus tunnels bristles space roots . It also eats big clumps of soil. It breaks up the big clumps.
Worms mix the soil nicely. They are like tiny [8] earthworm humus tunnels elevators space roots . They carry old plants deep down into the ground. They bring minerals up to the top. Up and down, up and down they go. They can even move small stones! You can see why people like to call them "nature's plow."
Can you dig [9] earthworm humus tunnels bristles space roots without a shovel? Earthworms can! They eat their way through the soil. As they go through the soil, they leave a tunnel behind. Stroke a worm gently. Try to feel its tiny [10] earthworm humus tunnels bristles space roots . The bristles help the worm hold on to the walls of its tunnel.
Worm tunnels are very important. Each tunnel is an open [11] raining elevators space scientist in the soil. The tunnels fill up with air or water. Roots and animals under the ground need air and water. They would die without the air and water in the tunnels.
Some [12] raining roots elevators space scientist even use worm tunnels as a place to live! When plants grow big, so do their roots. The roots need to spread out in the soil. The worm has made a path form them. So, the roots follow the worm's path.
Have you ever seen worms on the ground when it [13] raining elevators space scientist outside? Rain is filling up their tunnels, so the worms must come to the surface. You can see them wiggling and crawling on the
[14] raining elevators important ground space scientist .
Earthworms are our friends "downstairs." Next time you jump rope or walk across the street, what do you think the worms will be doing way down under your feet?
Type your name here: