Our Environment Our Environment Ecosystem An ecosystem consists of all the living organisms in an area along with the non living components and their interaction. Types of…

Burn and Unburn Oxidation and reduction always occur together. (NH4)2Cr2O7 → Cr2O3 + N2 + 4 H2O Oxidation and Reduction Use the following mnemonic: “LEO the lion goes…

Chapter 4 Exploring Our Evolving Solar System Comparing the Planets: Orbits The Solar System to Scale* The four inner planets are crowded in close to the Sun. The four outer…

How systems depend on CARBON and CHEMICAL ENERGY Lesson 5 Activity 1 Explaining what happens when methane burns. Three Questions Poster Question Rules to Follow Evidence…

Burn and Unburn Oxidation and reduction always occur together. (NH4)2Cr2O7 → Cr2O3 + N2 + 4 H2O Oxidation and Reduction Use the following mnemonic: “LEO the lion goes…

Letâs Round the Numbers Take these numbers and round them to the nearest hundred million. China - 1,273,111,290 Hundred million place United States - 278,058,881 â 1,300,000,000…

Chapter 8 Chapter 8 Covalent Bonding I 1 1 Molecules and Molecular Cpds 2 noble gases (e.g. He and Ne) and most elements are monatomic. 2 Molecules and Molecular Cpds Non-metals…

Objectives Understand how a fuel cell makes electricity A fuel cell must separate electrons from our fuel to create electricity Examine and assess classroom fuel cells Hydrogen…