Earth Day Jeopardy

Made mostly of glass or plastic, these containers for drinks can be rinsed out and placed in the recycling bin instead of the trash.

What are bottles?

This shiny metal, used to make soda cans, can be recycled again and again without losing quality.

What is aluminum?

This symbol of three chasing arrows appears on packaging to show that a material can be recycled.

What is the recycling symbol?

Leftover food scraps and yard waste can be turned into rich soil through this natural recycling process.

What is composting?

Instead of throwing away a used item, this practice finds it a new purpose, such as turning an old jar into a pencil holder.

What is reusing?

This type of pollution fills the air with smoke, exhaust, and other harmful gases, making it unhealthy to breathe.

What is air pollution?

This type of pollution dirties rivers, lakes, and oceans with trash, chemicals, or oil.

What is water pollution?

This gas, released by cars and factories burning fossil fuels, is a major contributor to climate change.

What is carbon dioxide?

This kind of pollution comes from loud sounds, like traffic or construction, that can harm hearing and disturb wildlife.

What is noise pollution?

This large, swirling collection of plastic debris floats in the Pacific Ocean and is sometimes called a garbage patch.

What is the Great Pacific Garbage Patch?

This green pigment in leaves helps plants absorb sunlight to make their own food.

What is chlorophyll?

This process lets plants use sunlight, water, and carbon dioxide to create their own food and release oxygen.

What is photosynthesis?

Planting many of these tall, woody plants helps clean the air, provide shade, and give animals a place to live.

What are trees?

This part of a plant absorbs water and nutrients from the soil and holds the plant in place.

What are roots?

This is the term for planting new trees to replace forests that have been cut down or destroyed.

What is reforestation?

This precious resource, covering most of the Earth's surface, is essential for all living things and should never be wasted.

What is water?

This everyday habit, like turning off the faucet while brushing your teeth, helps keep this natural resource from being wasted.

What is water conservation?

This is the term for water that soaks into the ground and collects underground, supplying wells and springs.

What is groundwater?

This ongoing process moves water from the ocean into the sky and back down again as rain or snow.

What is the water cycle?

This term describes coral turning pale and losing its color, often because ocean water has become too warm.

What is coral bleaching?

Switching off this when you leave a room is one of the simplest ways to save electricity.

What is a light switch?

This type of light bulb uses far less electricity and lasts much longer than an old-fashioned incandescent bulb.

What is an LED bulb?

This renewable energy source captures the sun's rays using panels to generate electricity.

What is solar energy?

This renewable energy source uses giant spinning blades, mounted high on towers, to generate electricity from moving air.

What is wind energy?

Turning down the thermostat in winter or turning it up in summer while away from home is one way to reduce this.

What is energy use?

This is the natural home of a plant or animal, providing everything it needs to survive.

What is a habitat?

Planting flowers that attract these buzzing insects helps support the pollination of crops and wild plants.

What are bees?

This term describes a plant or animal that is at risk of disappearing from the Earth forever.

What is an endangered species?

Building one of these small wooden structures in a backyard gives birds a safe place to nest.

What is a birdhouse?

This large area of protected land is set aside by the government to preserve wildlife and natural habitats.

What is a nature preserve?