Resources Crossword

A mass of rock particles, such as pebbles, gravel, and sand
A fine gray powder made from limestone; component of concrete
A mixture of gravel, sand, cement, and water
Plants and animals that became buried under sediments millions of years ago, then slowly transformed into deposits of carbon-rich substances, such as coal, petroleum, and natural gas
Alternative energy source that comes from the internal heat of the earth
A material such as soil or water that comes from the natural environment
A resource that is not replenished because it takes extended geological periods to form, such as rocks, minerals, and fossil fuels
A resource that is naturally replenished continuously and quickly, such as sunlight, water, and air
An alternative energy source from the sun that drives the water cycle and produces wind, ocean waves, and flowing water in rivers and streams
An alternative energy source that uses the power of the wind
The center of Earth, made mostly of iron and nickel
A scientist who studies the use, distribution, and conservation of Earth’s natural resources
A rock that forms when melted rock (magma) hardens
Melted rock below Earth’s surface
The solid rock material between Earth’s core and crust
A rock that forms when rocks and minerals are subjected to heat and pressure
A kind of cement made from limestone
Something that you can observe about an object or a material. Size, color, shape, texture, and smell are properties
The processes by which rocks change into different kinds of rocks
A sedimentary rock made of sand particles stuck together