Knowledge 7 Review

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

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

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

When something varies, does it always stay the same?

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

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

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

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

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

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

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

Is the earth shaped like a sphere or a ball?

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

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

Is salt an important mineral that is used by people?

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

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

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

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

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

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