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Structural Factors in Evolution
Laboratory activities encourage evolutionary biology scholars to consider homologous structures as evidence of common ancestry. They learn how to formulate phylogenic trees and that environment influences to genetic variation. Activities...
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Learning Sequence Item: Mitosis and Meiosis
Investigate the ins and outs of cell division with this comprehensive set of activities. Detailed instructions for six different activities and your choice of eight different creative assessments can be found within this resource. By...
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Evolution and the Fossil Record
Engage young biologists with four laboratory activities that explore the fossil record. Learners examine fossil images, a fossil kit, the rock record, and geologic time scale. They even experiment with the oxygen production of an Elodea...
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Cell Size and Shape; Diffusion and Osmosis Processes
Use salmon eggs as a cell model for demonstrating the movement of water over concentration gradients. Junior scientists examine the same process microscopically with an onion cell. They use a thistle tube and a semipermeable membrane to...
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Hooke's Law, Vibrations, Mechanical Waves, and Sound
Dangle a spring to experiment with vibration and discover if period is dependent on amplitude. Strum a guitar and adjust the strings to compare displacement and sound. Use a Slinky® and guitar strings on a ring stand to uncover the...
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Magnetic Induction
Physicists of the future observe the behavior of current in relation to a magnet through several inquiry activities. They construct a generator and experiment with solenoid coils. They learn and apply electromagnetic laws, most often...
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Neurons and the Nervous System
The highlight of this series is activitiy #4. Anatomy pupils examine slides of three unknown cells. With the function of the nervous system in mind, they consider the structure of each and try to guess which one is part of that system....
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Animal Behavior
Can you train a worm? Biology buffs will have a blast trying! Using planaria or earthworms, they introduce a certain stimulus repeatedly until the desired response happens more quickly. They also explore the response of their own eyes to...
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Law of Conservation of Momentum
A suggested sequence of events lays out five hands-on activities and four creative assessments on the conservation of momentum. Using spring scales and mail scales, junior physicists examine Newton's Third Law. After you have taught the...
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Newton's Second Law
Three memorable activities build on each other to give physics masters a firm grasp of Newton's Second Law. Pupils play with a lab cart on a flat surface and on an incline to confirm that force is equal to mass times acceleration. In the...
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Physical Properties of Matter
Five fabulous procedures introduce physics or chemistry classes to special properties of matter. They discover adhesion and cohesion, solubility, melting and boiling points, and viscosity through hands-on experiences. Tests are...
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Gas Pressure, Volume, and Temperature
Physical science learners conduct a simple experiment using the heat of their hands to affect the fluid pressure. They place a balloon atop a freezing cold bottle and observe what occurs as it warms up. Both activities demonstrate how...
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Atmospheric Pressure
Push the envelope with this lesson plan on atmospheric pressure! Your physics or geology juniors will be amazed at your super-human ability as you demonstrate the breaking of a stick using a newspaper! They also work with peers to...
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Gas Laws
A series of attention-grabbing demonstrations and lab activities is outlined in this document. Through them, chemistry kids appreciate the behavior of gases. Inflate balloons, marshmallows, and toothpaste tubes without adding air! Use...
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Recognition and Classification of Mixtures
Immerse your chemistry class in solutions! They melt and compare the mixtures that make up margarine, separate black ink into its component colors, distill ocean saltwater, and practice chromatography with plant pigments. There are eight...
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Cell Structures and Their Functions
Life science learners investigate live cells. They examine wet mount slides of cyanobacteria and Elodea plants. They peer into the dynamic microscopic world of protists. Afterward, they construct a model of a cell, including rudimentary...
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Heat and the Second Law of Thermodynamics
More than a week's worth of investigation is provided in this source. Physical science stars experiment to describe specific heat, conduction, convection, and radiation. They also discover the relationship between mechanical and thermal...
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Heat, Temperature, and Transfer
Physical science scholars discover an array of heat sources. They experiment to connect radiation to heat. They begin to understand thermal equilibrium. Then, they test to see if mass affects the rate of temperature change. Choose a few,...
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Density of Rocks
Given a variety of rocks, junior geologists calculate densities and correlate them to Earth's layers. As a simulation of continental crust, they experiment with how materials of differing density float in water. Finally, they...
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Observing Chemical Reactions
Start this series of lessons with a bang! Five exothermic reactions are outlined in this resource, including a demonstration that produces both light and sound. In the lab, chemistry apprentices record temperature changes, make hand...
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Electric Charge and Static Electricity
Begin with the classic static electricity demonstrations: the behavior of charged balloons and metal leaves of an electroscope. Then move on to test the electrical conductivity of various materials. Give physics pupils a charge with...
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Evidence Revealing the Composition of the Atom
Investigators use indirect evidence to guess what is occupying a sealed box. You could also use a set of plastic Easter eggs to encase the unknown items. Another terrific activity involves having students drop a pencil on a sheet of...
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Properties of Useful Carbon Compounds
Nine action-packed organic chemistry exercises are contained in this mini-unit on carbon containing compounds. Examples include constructing models of alkanes, producing aromatic esters, and preparing pigments for paint and dyes....
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Identifying and Explaining Reactions
Introduce high schoolers to chemical reactions with this series of activities. In a little over an hour, scientists observe four gas-producing reactions: the combination of hydrochloric acid and sodium hydroxide, placing pasta in...