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To compare the experimental mass to the theoretical mass of a product of a chemical reaction.

This test consist of 58 questions that are multiple choice, matching and fill in the blank. Following these 58 questions are 6 density problems. The test covers physical and chemical properties, physical and chemical changes, basic chemistry terms (volume, mass, matter, solid, liquid, gas, mixture, element, compound), characteristics of matter, symbols of the elements, conservation of mass, and density.

Lab: Isotopes and Atomic Mass. Suitable for chemistry or for physical science. ($)

LAB PURPOSE: 1) To practice the techniques used to determine mass and volume 2) To learn to calculate the density of a variety of objects.

Molar Mass lab

PURPOSE: To calculate the specific heat of a metal using mass and temperature data obtained by using a calorimeter.

Nothing gets kids more excited about science than doing science experiments. This set of 4 mini-labs includes experiments that are fun, engaging, and thought provoking. These experiments will reinforce the concepts you have taught in class as well as develop good critical thinking and problem solving skills. This is a set of 4 mini-labs that I use when teaching my unit on Matter and Change. These can easily be completed in 2 class periods. Each mini-lab is a stand-alone activity, so you can choose to do all of them or just a few of them. Purpose of the labs: 1. To determine the density of pennies minted before 1982 and after 1982. 2. To use paper chromatography as a method of separating the components of a mixture. 3. To determine if a strange substance is a solid or a liquid. 4. To observe several chemical changes.

FREE lab: "Using a Graph to Find Area". Purpose: In this activity, you will be using a sample of ordinary poster board with uniform thickness to study area. Since the thickness is constant, you can measure the mass and area of rectangular poster board samples and graph the data to find a relationship between mass and area (mass/area).