Cycling of Matter Nutrient Cycles. Cycling of Matter Nutrient Cycles: The movement of matter through living things, the physical environment and chemical.
More About Matter. Physical vs. Chemical Properties Physical Properties Physical Properties Observed without changing identity of substance. Observed.
4/19 ATB What material is found inside the nucleus? What material is found inside the nucleus? Today: Today: –Go over your tests – any mistakes? –Review.
Balancing Chemical Equations. Warm Up 1.What is a chemical reaction? 1.What are the reactants? What are the products? EQ: How do we balance chemical equations?
POLLUTION. Air Pollution Naturally occurring – dust, pollen, volcanic eruptions Human caused - Industrial burning, automobile exhaust Two types of air.
Enzymes: Speeding Up Chemical Reactions. What is a Catalyst? 1. Catalyst – a “helper” that speeds up chemical reactions 1. Catalyst – a “helper” that.
Wake-up 1.Which macromolecule(s) functions in short term energy and structure? 1.Explain the difference between Benedict’s and Biuret’s. (More than color.
Do Now 1.Get out HW, Turn in lab from yesterday into the bin 2.Which macromolecule(s) functions in short term energy and structure? 1.Explain the difference.
All life processes involve chemical reactions –Ex. Ca ++ in muscle contraction Na +, K + in nerve impulses.
Proteins
Chapter 6-3: Life Substances. Isomers Molecules with same formula but it makes two different things Ex: C 6 H 12 O 6 makes both glucose and fructose.
