Basic Science grade 4

What is one common method of waste disposal?

• Landfilling

• Recycling

• Incineration

• Composting

Why is waste disposal important for our health?

• Waste disposal is primarily for aesthetic purposes.

• Waste disposal is only necessary for industrial waste.

• Proper waste disposal has no impact on air quality.

• Waste disposal is important for our health because it prevents disease spread, reduces pollution, and minimizes exposure to harmful substances.

What does recycling mean?

• Recycling is the process of throwing away waste materials.

• Recycling means burning waste to generate energy.

• Recycling refers to the act of collecting trash for landfills.

• Recycling means converting waste materials into new products to reduce waste and conserve resources.

Name a type of material that can be recycled.

• glass

• metal

• plastic

• paper

How does improper waste disposal affect the environment?

• Improper waste disposal improves air quality and promotes biodiversity.

• Improper waste disposal leads to increased food production and economic growth.

• Improper waste disposal has no effect on the environment or health.

• Improper waste disposal negatively impacts the environment by causing pollution, harming wildlife, and posing health risks.

What is composting in terms of waste disposal?

• Composting involves burying waste in landfills to prevent decomposition.

• Composting is the incineration of organic waste to reduce volume.

• Composting is the process of converting inorganic materials into energy.

• Composting is the process of recycling organic waste into nutrient-rich soil through decomposition.

Why should we reduce waste in our daily lives?

• We should reduce waste to conserve resources, protect the environment, and promote sustainability.

• To increase waste production for economic growth

• To create more landfill space for future generations

• To encourage the use of single-use plastics

What is the impact of waste on wildlife?

• Waste provides nutrients for wildlife.

• Waste has no effect on wildlife.

• Waste negatively impacts wildlife by causing harm through ingestion, entanglement, and habitat destruction.

• Waste helps in the growth of wildlife habitats.

How can recycling help save energy?

• Recycling helps save energy by reducing the need for energy-intensive processes involved in producing new materials.

• Recycling increases the amount of waste sent to landfills.

• Recycling has no impact on energy consumption.

• Recycling requires more energy than producing new materials.

What is landfill and how does it work?

• A landfill is a site for the disposal of waste by burying it, designed to manage waste and minimize environmental impact.

• A landfill is a facility for recycling materials and composting waste.

• A landfill is a storage area for hazardous materials and chemicals.

• A landfill is a type of incinerator that burns waste to generate energy.