MST 1 Review (Grade 4)

If there were lacks of rain over a period of time and resulting in a water shortage in an area, this area will have . . . . disaster.

• earthquake

• volcano

• drought

• thunderstorm

. . . . . occur when an overflow of water submerges land that is usually dry.

• cyclone

• landslide

• volcano

• flood

. . . . disaster are caused by rain, earthquakes, or volcanoes that make the slope unstable.

• drought

• landslide

• tsunami

• flood

Which of the following activity gives the bad effect to the environment?

• recycle waste materials

• burn the plastic waste

• planting more trees

• using reusable bag

Look at the picture carefully, these activities will cause . . . . to the environment.

• air pollution

• water pollution

• soil pollution

• plastic pollution

What can we do to reduce this water pollution?

• Do not dispose waste to the river

• throw away the trash to the land

• use less plastics

• Only throw the liquid waste to the river

Which of the following activities will cause soil pollution?

• burning of fossil fuels

• local waste disposal

• industrial dumping of solid waste

• smoke from wildfires

Which of the following is correct about the danger of micro plastic?

• It will damage the marine life

• Sea animals will have more food

• it is environmentally friendly

• It is possible to break down

What effects do earthquake have on the environment?

• property damage

• conserving the electricity

• saving the energy

• changing the landscapes

• personal injury

Which of the following are the correct ways to prevent flood disaster?

• plant more trees

• conserving the water

• use porous pavement

• litter on the drainage