Vocabulary
What is a solid?
What is a liquid?
What is a gas?
a solid is something that keeps it shape, like wood.
a liquid takes the shape of whatever you pour it into, like water.
a gas cannot be poured and does not keep its shape, like air.
What does it mean to be extinct?
Name something that is extinct.
That there are no more of a certain species living.
dinosaurs, pterosaurs, dodo birds, mammoths, smilodons, tasmanian tigers, black rhinos
What shape is the earth?
a sphere (or ball)
How do we know dinosaurs existed if they are extinct?
Paleontologists have found preserved fossils that prove they existed.
What do geologists study?
The earth, the history of the earth, rocks
What do you call a lot of weight or force pushing down on you? (hint: it causes volcanoes and geysers to erupt)
pressure
What layer of the Earth do we live on?
the crust
What are the 3 most important factors that make changes in the earth?
pressure, heat, time
What does the word preserve mean and why is it important to preserve fossils?
preserve means to keep something safe, in good condition. It is important to preserve fossils because they are old and delicate and scientists can learn from them.
Is the earth's inner core solid metal or liquid metal?
solid metal
What do we call the land on the earth?
What do we call the water that covers the earth?
continents
oceans
WHat are minerals? Give an example of a mineral and how people might use it.
salt is used on food; diamonds, emeralds, and other gemstones are used in jewelry, etc
Is a volcano destructive? Why or why not?
(In your answer, tell what destructive means)
yes, because destructive means it can destroy or cause damage, the force of the eruption and the lava that flows out can destroy homes and cause a lot of destruction.
shape, size, color, texture, etc
What is the equator?
What is the North Pole?
What is the South Pole?
The equator is the imaginary line that divides the earth in half. The North Pole is the northernmost point on the earth, the South Pole is the southernmost point on earth.
What are the 3 types of rock?
igneous, metamorphic, sedimentary
Match the type of rock to its description
-Igneous, Sedimentary, Metamorphic-
1. Made when sediments are pressed together
2. Made when Igneous and Sedimentary rocks change in a new type
3. Made when lava cools.
1. Made when sediments are pressed together -Sedimentary-
2. Made when Igneous and Sedimentary rocks change in a new type -Metamorphic-
3. Made when lava cools. -Igneous-
What does it mean if something varies: that it changes or stays the same?
Name something that varies
it changes
Name the 4 layers of the earth, in order, starting with the inner core.
inner core - outer core - mantle - crust
How are geysers are volcanoes similar?
How are they different?
Similar: heat building up pressure underground over time causes them to erupt.
Different: a volcano erupts lava and rocks. caused when magma builds up pressure underground.
a geyser erupts water and gases when steam builds up pressure underground.