Earth's Systems: Grade 4

A large solid area of Earth, surrounded by oceans is called __________. We have 7 of them on Earth.

• a continent

• a country

• a state

• an island

Match the following Earth processes to their definition:

• soil and rocks are moved away

• weathering

• very large wave in the ocean

• tsunami

• a sudden shaking or vibration of Earth

• earthquake

• breaking down rocks into smaller pieces

• volcano

• mountain that opens downward into Earth

• erosion

Tags

NGSS.MS-ESS2-4

A _____ is a deep, narrow valley with steep sides formed by a river or stream.

• canyon or gorge

• mountain

• delta

• volcano

Tags

NGSS.MS-ESS2-2

A _________ is an area of low, flat land formed where a river meets the sea.

• delta

• gorge

• canyon

• river

A slow moving mass or river of ice formed by the accumulation of ice or snow on mountains or near the poles is called:

• a glacier

• an iceberg

• a lazy river

• a delta

Check ALL the true facts about dinosaurs.

• They are extinct.

• They were reptiles.

• They lived during the Jurassic period of Earth's history.

• We use their fossils for fuel/energy.

• They all still live on a secret island somewhere in the Pacific Ocean.

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

The remains or traces of plants and animals that lived long, long ago:

• fossils

• sea shells

• footprints

• bones

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Plate tectonics:

• a scientific theory that explains movement of Earth’s crust in different pieces:

• fancy dishes people get as a wedding present

• the different layers of Earth

• the study of different types of rocks and minerals on Earth

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-3

Something that occurred a long time ago, before written records is called:

• prehistoric

• ancient

• super old

• dino-time

A type of rock that has formed through the deposition and solidification of sediment often transported by water, ice, and wind:

• sedimentary

• metamorphic

• igneous

• geod