SCIENCE 5 PART 4

When a material is heated, what happens to its temperature?

• remain the same

• increased

• decreased

• expand

The introduction of harmful materials t the environment is called____

• eutrophication

• pollution

• composting

• global warming

Which does not belong to the group?

• recycling waste for organic fertilizers

• vegetable gardening

• dumping of garbage in the bodies of river

• clean up drive in the community

What kind of pollution is described when factories release harmful smoke?

• air pollution

• noise pollution

• water pollution

• land pollution

Which of the following activities is useful to the environment?

• burning of garbage

• throwing wastes in the river

• reforestation

• deforestation

Which situation states change in the materials that is harmful t the environment?

• cutting of trees

• recycling effort in the community

• coastal cleanup activity

• using paper bags when shopping

How can you contribute to the reduction of waste at home?

• buy more products than needed

• mix waste materials in the garbage bins

• reuse empty container for another purpose

• place all kinds of waste inside the cabinet

Which activity can cause harm to the marine environment?

• planting mangrove

• scuba diving

• dynamite fishing

• proper waste disposal

The natural process of recycling organic matter such as leaves and left-over food into a fertilizer is called ____

• reusing

• composting

• repairing

• burning

The organ in the human body that absorbs water and electrolytes

• brain

• skin

• small intestine

• large intestine