Sökt på: Böcker av Ava Sawyer
totalt 19 träffar
Humans and Other Life on Earth
Humans have influenced the world around them since they first walked on Earth. Hunting has impacted animal populations. Pollution and deforestation have affected habitats. Humans …
Humans and Earth's Atmosphere
Nitrogen, oxygen, argon and carbon dioxide are all gases in Earth's atmosphere. But what happens when there is too much or two little of a certain gas? Readers will learn how …
Igneous Rocks
Did you know igneous rock is formed as a result of volcanic activity? This type of rock is made up of minerals. Find out more about minerals, where igneous rocks form and what …
Humans and Earth's Atmosphere
Humans and Earth's Atmosphere: What's in the Air?
Nitrogen, oxygen, argon, and carbon dioxide are all gases in Earth's atmosphere. But what happens when there is too much or two little of a certain gas? Readers will learn how …
Humans and the Hydrosphere
The hydrosphere encompasses all water on Earth from glaciers and ice to rivers and oceans. People use water every day. This title asks the question, how much do you use? Readers …
Humans and the Hydrosphere: Protecting Earth's Water Sources
The hydrosphere encompasses all water on Earth-from glaciers and ice to rivers and oceans. People use water every day. This title asks the question, how much do you use? Readers …
Rocks Pack A of 4
The Rocks series takes an in-depth look at the three types of rock—sedimentary, igneous and metamorphic as well as fossils. Find out how each rock type is formed and what each is …
Metamorphic Rocks
Did you know rocks could go through metamorphosis? Intense heat or pressure changes the form of metamorphic rocks. This type of rock is the oldest found on Earth. Find out where …
Human Environmental Impact: How We Affect Earth
Pollution and mining for resources have negatively impacted Earth. Nonrenewable resources will someday run out. Then what? In this title readers will learn about alternative energy …
Igneous Rocks
Did you know igneous rock is formed as a result of volcanic activity? This type of rock is made up of minerals. Find out more about minerals, where igneous rocks form, and what …