DESERTS

DESERTS

INTRODUCTION

LERANS TO WATCH THIS VIDEO SHORTLY ABOUT DESERTS.

https://www.youtube.com/watch?v=p9q0RSZp4R4

GROUP DISCUSSIONS

• ROOM 1: Desert scenery

• ROOM 2: Deserts plants

• ROOM 3: Desert animals

GROUP PRESENTATION

EACH GROUP TO PRESENT THEIR FINDINGS.

Desert scenery

• In most hot deserts, the wind has blown sand away , leaving pebbles or even bare rock.

• Shallow lakes form in some deserts after rain

• Else where there are mountains and steep rocky slopes. some of these have been carved into interesting shapes by wind.

Desert plants

• Few plants are able to survive in the desert.

• Some plants have long roots to reach water deep underground.

• The roots of the acacia tree of Africa may go down to 30m to reach water.

• Mesquite bush of North America sends its roots down to a depth of 50 m.

Desert animals

• Few animals live in the desert.

• Animals in a desert get water from the food they eat.

• Most animals sleep during the day and come out only at night when it is cooler.

• Best known desert animal is a camel. It can go along time without water. It can loose about one-third of the weight of its body and still live. It can drink up to 115 Litres or more in a few minutes ones it find water.

PLENARY

ASK ORAL QUESTIONS.