Soil Erosion

SOIL EROSION

Q: What is soil erosion?

A: It is the removal of soil by wind and/or rain.

    It occurs when soil gets blown away by wind

    or washed away by water.

Q: What are the causes of soil erosion?

A: There are four causes of soil erosion

   -Speed and volume of running water,

   -Amount of vegetation,

   -Dryness and size of soil particles.

   -Slope of land

Q: What are the effects of soil erosion?

A: There are three effects of soil erosion:
   -Shape of land,

   -Condition of soil,

   -Condition of water.

Q: How can we prevent soil erosion?

A: There are three ways we can prevent soil erosion:

   -Stop cutting down trees unless necessary,

   -Grow plants along slopes,

   -Build retaining walls to hold back slopes.

Q: What can I do to prevent soil erosion?

A: You can:

   -Plant trees and plant

   -Make an online campaign to stop people to cut down trees.

Improvised Telephone

IMPROVISED TELEPHONE

I: PROCEDURES

1. Make a hole at the bottom of the cups. Make it just enough for the string.
2. Insert the string to the holes at the bottom of the cup.
3. Tie both end of the cup.
4. Communicate.

II. CONCLUSION

As you speak, the telephone vibrates. This means that the medium used for the sound to travel to the other cup is vibration.