Gr 4ScienceChap5&6? Grade 4 Science Chapter 5&6 ???????

Question Answer
Breaking down into smaller pieces is called ________. weathering
The removal of rock is called ______. erosion
Overflow of water is called _______. flooding
A storm with high winds, huge clouds, and rain is called ________. hurricane
A storm that is a narrow column of air is called ________. tornado
The force that pulls us down is called ________. gravity
Materials used by people are called _____. resources
The process where rocks change is called ________. rock cycle
Soil layers are called __________. horizon
Plants/animal matter humus
A section of soil is called _____. soil profile
Fuel make from ancient things is called ______. fossil fuel
Anything harmful to the environment is called _____. pollution
To use something wisely is called ______. conservation
Give an example of physical and an example of chemical weathering Physical-rain Chemical-oxygen and acids
Give example of the 3 R's Reduce (turn off), Reuse (glass cups), Recycle (paper)
List 3 changes caused by weather tornado, snowstorm, and hurricanes
List 3 things that come from volcanoes gases, ashes, magma (GAM)
3 things about earthquakes seismic waves, seismograph (machine), causes (release of energy)
List 3 types of rocks igneous, sedimentary, metamorphic
4 properties of minerals Color, Luster, Hardness, Streak (Can Leaves Have Stripes)
3 R's Reduce, Reuse, Recycle
Types of water and examples salt (ocean), fresh (ponds, lakes, rivers, glaciers)
4 layers of the Earth Crust, Mantle, Outer Core, Inner Core (Cats Meow Only Inside)
List 4 Soil Profiles Topsoil, Subsoil, Weathered Bedrock, Bedrock
Say the rock cycle sediments, sedimentary, metamorphic,magma, igneous
Why is the rock cycle referred to as a cycle? Each rock can turn into another rock. The cycle goes on and on.
How are renewable and nonrenewable resources the same? How are they different? They are the same because both resources provide energy.Nonrenewable cannot be replaced quickly. Renewable can be replaced quickly.

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