중2 능률 김성곤 4과 본문 변형

What are ____ reading?

I’m reading an ____ about aquaponics.

It’s a way of growing plants ____ soil.

We can also ____ plants and raise fish in just one system.

Is ____ possible?

We’ll see. I’m going to try it at home ____ my science project.

Fish, bacteria, and plants are the main parts of ____

After you feed ____ fish, they produce waste.

The waste is turned ____ food for the plants by bacteria.

The plants clean the water by consuming the ____

This process is repeated again ____ again!

How can I make ____ aquaponics system at home?

Why ____ aquaponics good?

I made holes in the bottom of ____ pot.

Then I put small stones and plants ____ it.

I made a big hole in the lid of the fish tank and put the ____ in the hole.

I ____ the pot in place with clay.

I made another ____ in the lid and put a tube through it.

I ____ a water pump in the fish tank.

____ used the tube to connect the pump to the pot.

I filled the fish tank with ____ and put some fish in it.

Then I turned on ____ pump.

From this experiment, I grew my plants and raised fish ____ aquaponics.

I just ____ the fish, but the plants have grown 17 centimeters in three months.

The fish stay healthy and the water is clean ____ the time.

Some important ____ about aquaponics were learned from this experiment.

First, water is saved because ____ plants don’t need watering.

Second, it is good for the ____ because no chemicals are used.

Finally, you can do aquaponics anywhere because it doesn’t ____ much space.

Some farmers use ____ to produce vegetables and raise fish.

They choose aquaponics because it is far easier ____ traditional gardening.

Also, it is a much more productive way of growing ____

The plants grow much faster than plants ____ soil, and it saves space.

I hope more food is produced in this way ____ the future because it is healthy for us and the environment.