Natural Resources and Energy in Life

What is one way to conserve natural resources?

• Using more plastic bags

• Recycling paper and glass

• Leaving lights on when not in use

• Driving cars more often

Answer explanation

Recycling paper and glass helps conserve natural resources by reducing the need for new materials, saving energy, and minimizing waste. This practice supports sustainability and protects the environment.

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-5

Which of the following is a physical property of rocks that helps store natural resources?

• Color

• Hardness

• Porosity

• Shape

Answer explanation

Porosity is a key physical property of rocks that determines their ability to store natural resources like water, oil, and gas. Higher porosity means more space within the rock for these resources, making it the correct choice.

How does recycling help the environment?

• It increases the amount of waste in landfills

• It reduces the need for new raw materials

• It uses more energy than creating new products

• It pollutes the air

Answer explanation

Recycling helps the environment by reducing the need for new raw materials. This conserves natural resources, decreases energy consumption, and minimizes pollution, making it a crucial practice for sustainability.

Why is porosity an important property of rocks for storing natural resources?

• It makes rocks colorful

• It allows rocks to float on water

• It enables rocks to hold water and oil

• It makes rocks harder

Answer explanation

Porosity is crucial because it allows rocks to hold water and oil, making them effective reservoirs for these natural resources. This property directly impacts the ability to store and extract valuable materials.

Explain how conserving energy resources can impact the environment positively.

• It leads to more pollution

• It helps reduce pollution

• It increases the use of fossil fuels

• It depletes natural resources faster

Answer explanation

Conserving energy resources helps reduce pollution by decreasing the need for fossil fuels, which are major contributors to air and water pollution. This leads to a healthier environment and mitigates climate change effects.

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-5

How do the physical properties of rocks affect resource storage?

• Dense rocks store more resources

• Porous rocks store more water and oil

• Smooth rocks store more resources

• Brightly colored rocks store more resources

Answer explanation

Porous rocks have spaces that allow them to hold more fluids, such as water and oil, making them better for resource storage compared to dense, smooth, or brightly colored rocks.

Which of the following is a renewable energy resource?

• Coal

• Oil

• Solar energy

• Natural gas

Answer explanation

Solar energy is a renewable resource because it is derived from the sun, which is abundant and inexhaustible. In contrast, coal, oil, and natural gas are fossil fuels that deplete over time.

Identify a method to determine the porosity of a rock.

• Measuring its color

• Weighing it

• Observing its ability to absorb water

• Checking its temperature

Answer explanation

Porosity refers to the void spaces in a rock. Observing its ability to absorb water directly indicates how much pore space is available, making it the best method to determine porosity compared to the other options.

What is the environmental impact of non-renewable energy resources?

• They are unlimited and cause no harm

• They can lead to more pollution

• They are always cheaper and cleaner

• They improve air quality

Answer explanation

Non-renewable energy resources, such as fossil fuels, can lead to more pollution due to emissions of greenhouse gases and other harmful substances, negatively impacting air quality and contributing to climate change.

Tags

NGSS.MS-ESS3-4

NGSS.MS-ESS3-5

Why are some rocks able to store natural gas, oil, and water?

• They are very heavy.

• They are colorful.

• They are very smooth.

• They are porous.

Answer explanation

Rocks that can store natural gas, oil, and water are porous, meaning they have tiny spaces that allow these substances to accumulate. The correct answer is not 'colorful' but 'porous', as color does not affect storage capacity.