Earths Spheres
What are the four main Earth spheres?
Atmosphere, Biosphere, Geosphere, Hydrosphere
What are the basic building blocks of all living things?
cells
What is the outermost layer of the Earth called?
crust
I can be in the air, on the ground, or in the water. I’m harmful and caused by human activities. What am I?
pollution
What type of rock forms when magma cools and solidifies?
igneous
Which Earth sphere contains all living things?
Biosphere
What are the five characteristics of all living things?
Grow, reproduce, respond to stimuli, use energy, and are made of cells)
What is the thickest layer of the Earth?
Mantle
I can be made of sand, silt, or clay. I cover the Earth, and plants grow in me. What am I?
soil
What is the process that describes how rocks change from one type to another over time?
rock cycle
What sphere includes rivers, lakes, and oceans?
Hydrosphere
What is the main difference between unicellular and multicellular organisms?
Unicellular organisms are made of one cell, while multicellular organisms are made of many specialized cells
What are the two parts of the core?
inner core , outer core
I have no eyes, yet I can see. I have no legs, yet I can move. What am I?
plant
What type of rock forms when other rocks are subjected to heat and pressure?
metamorphic rock
A volcanic eruption affects which two spheres the most?
Geosphere and Atmosphere
Is a plant an organism true or false
true
humans live on this part of the earth
crust
I’m colorless, tasteless, and you need me to live. You can find me in oceans, lakes, and rivers, but I’m often polluted. What am I?
water
What type of rock forms when sediments are compressed and cemented together?
sedimentary rock
When plants release water into the air through transpiration, which two spheres are interacting?
Biosphere and Atmosphere
Which scientist observed cork under a microscope and named the tiny compartments “cells”?
Robert Hooke
if you travel to the deepest layer of the earth you would have reached this part
inner core
What is the process of cleaning polluted water to make it safe for drinking and other uses?
purification
What is the term for the process by which rocks break down into smaller pieces
erosion/ whethering