Domain 7: The History of the Earth

Do we know that dinosaurs lived on the earth because of fossilized bones that have been found?

Crust: Is the crust a layer of liquid rock deep inside the earth?

Destructive: Can some volcanoes be destructive when their lava and ash pour out onto the land around them?

Surface: Is the surface of the earth all of the liquid rock that is deep inside?

Is salt an important mineral that is used by people?

Pressure: Does pressure happen when the weight or force of something presses or pushes against something else?

Characteristics: Do the characteristics of rocks include their colors, textures, shapes, and sizes?

Varies: When something varies, does it always stay the same?

Do layers of sediments, or pieces of dirt and rock, pressed on top of one another over time form sedimentary rocks?

Preserved: When you want to save something for the future, do you keep it preserved in a safe place?

Fossils: Are fossils the preserved imprint or bodies of animals and plants that died many years ago?

Do heat, pressure, and time cause many changes inside the earth?

Does the earth have two layers: the crust and the core?

Do we live in the core of the earth?

Are fossils pieces of rock that come from the eruption of a geyser?

Solid: Is something solid when it takes the shape of whatever container it is in?

Geologist: Is a geologist a scientist who studies clouds and the sky?

Is the earth shaped like a sphere or a ball?

Mantle: Is the mantle the outermost layer of the earth where we live?

Is the earth’s surface covered by continents and oceans?

Is a volcano caused by an eruption of magma making its way to the surface of the earth?

Inner Core: Is the inner core a solid metal ball in the center of the earth?

Can all rocks be put into three groups: igneous, sedimentary, andmetamorphic?

Is the equator an imaginary line that runs from the North Pole to the South Pole?

Layer: When it is cold outside, do we wear more than one layer of clothing to keep warm?

Extinct: If dinosaurs are extinct, does that mean there are no more dinosaurs left on the earth?

Is a geyser an eruption of lava?

Do we know about the history of the earth because of the work of many scientists who study rocks and fossils?