Science Year 6

Front

5 - What does extinct mean?

Back

Extinct - no longer exists on earth

Front

5 - Give 3 extinct animals.

Back

1. 1. Dodo bird

2. 2. Mammoth

   1. 3. Dinosaur

Front

Why did these animals go extinct -

a. dodo bird

b. Tasmanian wolf

Back

a. excessive hunting by sailors and nest grieving by cats and rats

Front

5 - a. three plants facing the threat of extinction

b. three animals facing the threat of extinction

Back

a. rafflesia, pitcher plants, cengal tree

b. Malayan tiger, elephant, Malayan tapir

Front

5 - give three factors that cause threat of extinction

Back

a. habitat destruction - destroying natural habitats to make roads and develop new towns

b. illegal hunting - excessively hunting animals and plants to make medicine, food, ornaments and clothing

c. pollution - disposing of trash e.g. plastic waste, oil spillage and toxic waste kills aquatic animals and plants

Front

5 - What is preservation and conservation

Back

preservation (pemeliharaan) is keeping animals and plants in their original and balanced state

conservation (pemuliharaan) is returning animals and plants to their natural conditions

Front

5 - a. three methods of preservation

b. two methods of conservation

Back

a. i. selective logging

ii. educate the public

iii. enforcement of laws

b. i. set up conservation centres

ii. replanting

Front

5. 5 - three importance of preservation and conservation

Back

a. preventing extinction

b. maintaining clean and healthy environment

c. preventing loss of habitat

Front

6 - what is force

Back

force is a push or pull that acts upon an object

Front

6 - Pull is an action that moves an object ___ towards us

Push is an action action that moves an object ___ from us

Back

closer, away