중2 능률 김성곤 4과 본문 변형

What are ____ reading?

I’m ____ an article about aquaponics.

It’s a way of growing plants ____ soil.

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

Is that ____?

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

Fish, bacteria, and ____ are the main parts of aquaponics.

After you ____ the fish, they produce waste.

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

The plants clean the ____ by consuming the food.

This process is ____ again and again!

How ____ I make an aquaponics system at home?

Why is aquaponics ____?

I made holes in the bottom of a ____.

Then I put ____ stones and plants in it.

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

I fixed the pot in ____ with clay.

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

I put a ____ pump in the fish tank.

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

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

____ I turned on the pump.

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

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

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

Some important things about aquaponics were learned ____ this experiment.

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

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

Finally, you can do aquaponics anywhere because it ____ need much space.

Some farmers use aquaponics to produce vegetables and ____ fish.

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

Also, it is a much ____ productive way of growing food.

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

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