| L.E.A.P.S. ~ Overview of Activities | ||||
| Chap | Name | Description | Lab Skills | Math Skils |
| Unit 1 | ||||
| 1 | The Measuring Scale of Science- The Metric System (S.I.) | Introduces the Metric System | 1. Defines metric abbreviations. 2. Decimal System | |
| 2 | The Meter, Liter, and Gram | Introduces units in Metric System | 1. Using decimals to change units in S.I. | |
| 3 | Measuring Distance and Length in the Metric System | Students measure objects using m, cm, and mm, then compare them. | 1. Measuring in the S.I. | 1. Using decimals; converting units in S.I. |
| 4 | Using Scale in the Metric System | 1. Students find distances on a map using a scale. 2. Students make a scale drawing of their classroom. 3. Studentss make scale model of the solar system. | 1. Measuring in the S.I. | 1. Using scale and the decimal system in the S.I. |
| 5 | Measuring Area in the Metric System | 1. Students find the area of objects in the S.I. 2. Students measure the area of their hand. | 1. Measuring in the S.I. | 1. Averaging, labeling area correctly. |
| 6 | Measuring Mass in the Metric System | 1. Students make predictions and find the mass of solid objects. | 1. Using a triple beam balance. | 1. Adding - Reading the triple beam balance. 2. Subtracting - Finding the mass of water. |
| 7 | Measuring Liquid Volume in the Metric System | 1. Students learn to use a graduated cylinder and measure in mL. 2. Students learn the relationship between a cc, ml, and a gram. | 1. Measuring volume with a graduated cylinder. 2. Measuring mass with a balance. | Measuring and labeling volume in the SI. |
| 8 | Measuring solid volume in the Metric system | 1. Students learn to find the volumes of regularly and irregularly shaped objects. 2. Students find the volume of popcorn. | 1. Measuring volume with a graduated cylinder and beaker. | 1. Subtraction - Finding the volume of soild objects. 2. V = L x W x H |
| 9 | Finding the volume of a Gas | 1. Students use scientific method to predict the amount of gas in Alka-Seltzer tablet produces. | 1. Using a balance. 2. Using a graduated cylinder. | 1. Predicting from a table. |
| 10 | Graphing | 1. Students learn to make and analyze bar and line graphs. | 1. Making and analyzing bar and line graphs. 2. Interpolating, extrapolating. | |
| Unit 2 | ||||
| 11 | Finding the Density of Water | 1. Students determine an average density of water using D = Mass/Volume. | 1. Using a balance and graduated cylinder accurately. | 1. Averaging 2. Rounding Off 3. Graphing 4. Interpolating and extrapolating 5. D = Mass/Volume |
| 12 | Finding the Density of Liquids | 1. Students find an average density for water, alcohol, and Karo syrup. | 1. Using a balance and graduated cylinder. | 1. Averaging 2. Rounding Off 3. Graphing 4. D = Mass/Volume |
| 13 | Making a Soda Straw Hydrometer | 1. Students make a straw hydrometer using BB's and clay. | 1. Measuring accurately | 1. Comparing known with unknown quantities. |
| 14 | Finding the Density of Solids | 1. Students find the density solid objects. | 1. Using a balance, graduated cylinder, and ruler. | 1.V = L x W x H 2. D = Mass/Volume |
| Unit 3 | ||||
| 15 | The Three Laws of Motion | 1. Students make flip card cartoons of Newton's three laws. | 1. Drawing | |
| 16 | Gravity | 1. Teacher Demonstrations of Gravity 2. Students determine the acceleration of a marble on different inclines. | 1. Measuring 2. Timing | 1. Graphing distance vs. time. |
| 17 | Pendulum | 1. Students determine which factor effects the period of a pendulum. | 1. Measuring 2. Timing | 1. Graphing # of oscillation vs. release height, mass, and pendulum length. |
| 18 | Friction | 1. Students determine the friction of 3 different surfaces. 2. Students determine the friction of string, fishing line, and wire using a baloon jet . | 1. Measuring 2. Massing | 1. Percent |
| 19 | Work and Power | 1. Students calculate the power they use in watts to run up stairs. | 1. Measuring 2. Timing | 1. Work = Force x Distance 2. Power = Work/Time 3. Joules/Sec = Watt |
| 20 | Pulleys | 1. Students determine the mechanical advantage of 4 pulley set-ups. | 1. Measuring 2. Massing | 1. Work= f x d 2. Newton-meter 3. Mech Advantage = Mass/Force |
| 21 | The Inclined Plane | 1. Students determine the forece saved and mechanical advantage of 4 inclined planes. | 1. Measuring 2. Massing | 1. M.A.= Length/Height 2. FR x LR = FE x LE |
| 22 | Lever | 1. Students determine the M.A. of levers. 2. Students predict mass necessary to balance levers. 3. Students predicet where a 100g weight should be placed to balance a lever. | 1. Predicting 2. Measuring | 1. M.A.= Length/Height 2. FR x LR = FE x LE 3. IMA =Effort Arm /Resistance Arm |
| 23 | Spring Calibration | 1. Students determine the stretch of a spring vs. weight. 2. Students determine stretch of spring with an unknown object. 3. Students make a graph, interpolate the weight of unknown object. | 1. Measuring 2. Massing 3. Predicting | 1. Graphing 2. Interpolating |
| 24 | The Measurement of Speed | 1. Students determine their own speed over a 50 m course. | 1. Timing | 1. Speed = Distance/Time |
| 25 | Buoyancy | 1. Students make a boat from plasticine clay, then determine how many pennies the boat will hold before it sinks. | 1. Measuring volume | 1. Calculating Bouyancy and Force |
| 26 | Magnetic Force | 1. Students determine attractive force of 2 magnets by placing one on a balance, and bringing the other one closer. | 1. Measuring 2. Massing | 1. Graphing |
| Unit 4 | ||||
| 27 | Waves and Light | 1. Two teacher demonstrations of waves 2. Students make and use a pinhole viewer. 3. Students learn relationships between wavelength and energy. | 1. Students make viewer | |
| 28 | Light and Color | 1. Teacher demonstration of prism 2. Teacher demonstration of primary colors of light 3. Students make and use a prism 4. Students make and use a spectroscope | 1. Students make a prism and spectroscope. | |
| 29 | Reflection and Refraction | 1. Students observe refraction of liquids. 2. Students compare reflection and refraction. 3. Students study reflection in 2 mirrors. 4. Students study reflection in 1 mirror. | 1. Measuring 2. Comparing 3. Predicting | 1. Graphing |
| 30 | Lenses and their Uses | 1. Students determine the focal length of a convex lens. 2. Students calculate the magnification of a lens. 3. Students make a refractor telescope. | 1. Measuring 2. Making a telescope | 1. Calculating magnification. |
| 31 | Sound | 1. Students determine relationship between high pitch--short wavelength and low pitch--long wavelength using rulers. 2. Students make string telephones with various materials, and compare them. | 1. Measuring 2. Comparing | |
| 32 | Temperature and Heat | 1. Students measure the temperature of 3 liquids as they are heated. | 1. Measuring temperature 2. Timing | 1. Graping 2. Interpolation |
| 33 | Spicfic Heat of Metals | 1. Students compare heat abosorption and loss of lead and aluminum. | 1. Measuring temperature | 1. Heat calculations 2. Graphing |
| Unit 5 | ||||
| 34 | Magnetism | 1. Teacher demonstration of magnetic poles. 2. Students determine if induced magnetism can be increased. 3. Students make a picture of a magnetic field using spray adhesive. | 1. Comparing 2. Students make picture 3. Observation | 1. Graphing |
| 35 | Electrical Charges | 1. Teacher demonstration of electrical charges. | 1. Observation 2. Predicting | 1 |
| 36 | Electricity and Magnetism | 1. Students determine how many wire wraps on an iron bar pick up how many paper clips. 2. Teacher demonstration of a Galvanometer. | 1. Observation | 1. Graphing 2. Interpolation |
| 37 | Making an Electric Motor | 1. Students make a simple electric motor. | 1. Constructing the motor. | |
| 38 | Electrical Circuits | 1. Students make working flashlights using 4 methods. | 1. Constructing the flashlights. | |
| 39 | Atoms | 1. Students make atoms mobiles. | 1. Constructing the mobiles. | 1. Determining protons, neutrons,and electrons. |
| 40 | Chemical Reactions | 1. Students observe and describe 3 chemical reactions--color change, gas production, and a precipiatate. | 1. Measuring 2. Observing | |
| 41 | Convervation of Matter | 1. Students mass 3 reaction-- before and after reacting-- and determine if there are any changes. | 1. Measuring 2. Massing 3. Observing | 1. Subtraction-determining if there are mass differences before and after the reaction. |
| 42 | Glueball Chemistry (and Physics!) | 1. Students make a polymer from Elmer's glue and Boraxo, find densities of all. 2. Students compare bounce heights for ploymer balls. | 1. Measuring 2. Massing | 1. D = M/V 2. Graphing |
| 43 | Concentrations and Dilutions of Liquids | 1. Students make a straw pipette. 2. Students serially dilute food color until they can't see it anymore. | 1. Measuring volume | 1. Powers of 10 |
| 44 | Making Concentrations with Solids. | 1. Students make concentrations of salt water. 2. Students find the concentration of salt in an unknown solution. | 1. Measuring volume 2. Mass | 1. Percentages |
| 45 | Acid and Base Indicators | 1. Students use 4 indicators to test various acid and base indicators. 2. Students extract phenolp. from Ex-Lax. | 1. Measuring 2. Comparing 3. Observing | 1. Powers of 10 |
| 46 | Growing Crystals under the microscope | 1. Students observe the formation of 4 different crystals under the microscope. | 1. Observing 2. Comparing | |
| 47 | Ink Chromatography | 1. Students separate black ink using different solvents. 2.-Students determine the Rf of the inks. | 1. Measuring volume 2. Observing 3. Comparing | 1. Calculating Rf |
| 48 | Carbon Dioxide | 1. Students determine whether CO2 supports combustion. 2. Students determine if CO2 causes limewater to turn a different shade. 3. Students determine whether CO2 is heavier than air. | 1. Measuring volume 2. Massing 3. Comparing 4. Observing | 1. Calculating the difference between the mass of air and CO2. |
| 49 | Production of Hydrogen Gas | 1. Students determine whether longer strips of Mg metal produce accordingly more H2. | 1. Measuring length and volume | 1. Graphing |
| 50 | Determining the Percentage of Oxygen in the Atmosphere | 1. Students determine the % of O2 in the atmosphere. | 1. Observing 2. Measuring | 1. Calculating % 2. Calculating % error |
| 51 | Production of Oxygen Gas | 1. Students make and test oxygen. | 1. Observing 2. Measuring | |
| 52 | Batteries | 1. Students make and test a battery. | 1. Observing 2. Measuring | 1. Graphing |
| 53 | Electrical Conductivity of Solutions | 1. Students make a conductivity tester and use it with different solutions. | 1. Observing 2. Measuring | |
| 54 | Electroplating | 1. Students electroplate copper. | 1. Observing 2. Measuring | 1. Graphing |
Last Updated on 3/24/99
By Steve Wavra
Email: wavra@sdsc.edu