It's About Time
What Determines and Limits an Atom's Mass?
Provide learners with the tools to further understand nuclear energy and isotopes. Young chemists investigate the components of an atom's nucleus, use symbols to represent various isotope forms, and use the percent abundance of an atom's...
It's About Time
How Atoms Interact with Each Other
Connect the dots and assist young chemists as they demonstrate covalent and ionic bonding. Class members use their knowledge of valence electrons to predict compound formulas as they arrange electrons into various bonding structures to...
It's About Time
How Electrons Determine Chemical Behaviors
Lead the class on an investigation as they play detective and locate patterns in the electron arrangement of atoms. During the seventh lesson, they assign valence numbers to elements, organize the periodic table in the correct sequence,...
It's About Time
Atoms with More Than One Electron
Provide young chemists with the ability to manipulate atoms and predict their results, in this sixth lesson. Pupils analyze energy patterns as they predict the amount of energy required to remove electrons from atoms. They compare trends...
It's About Time
The Chemical Behavior of Atoms
Assist your class with this colorful activity as learners view and interpret changes in the hydrogen atom. They discuss concepts of the electromagnetic spectrum and use Bohr's model to predict wavelengths and light patterns,...
It's About Time
Are Atoms Invisible?
Wow, an experiment that allows the class to participate in a missile war! Pupils discuss Thomsons's theory of cathode rays and simulate Rutherford's historical experiment to learn about atomic structure. They conclude this fourth lesson...
It's About Time
Atoms and Their Masses
Are atoms too small to be isolated? Answer this question and more as you provide young chemists with the tools to conduct a hands-on activity demonstrating atomic mass. Pupils explore the mass of copper and aluminum, compare Dalton's...
It's About Time
Elements and Their Properties
How did ancient scientists classify elements? Answer this question and others as young chemists create a device to test the properties of various elements. They classify elements as metals or nonmetals, learn to differentiate between...
It's About Time
The Nitrogen and Phosphorous Cycles
How do we affect the ecosystem, and what can we do to preserve it? Pupils explore chemicals that promote and inhibit plant growth, then discuss the importance of nitrogen and phosphorus to the survival of organisms and describe how...
It's About Time
Photosynthesis, Respiration, and the Carbon Cycle
Provide your class with the opportunity to view our carbon cycle close up. Young scientists research the cycle of oxygen as it completes the tasks of photosynthesis and respiration. They explore the importance of carbon in an ecosystem...
It's About Time
The Water Cycle
Explore the water cycle with a hands-on earth science activity that prompts pupils to measure the amount of water normally transpired by plants. After they describe the flow of the water cycle and provide examples of how human activities...
It's About Time
Succession in Communities
What occurs following a natural disaster? High schoolers research this question and others as they investigate natural succession after a disaster. First, as they differentiate between primary and secondary succession, they explain how...
It's About Time
Competition Among Organisms
Who knew plants could be so competitive? Join your class as they observe plants competing for space and nutrients. Middle and high schoolers describe possible effects of introducing a new species into an already established ecosystem,...
It's About Time
Factors Affecting Population Size
How do we predict future population growth? Young researchers investigate various factors affecting the size of our population. As they calculate and interpret graphs to determine factors that could potentially affect increases and...
It's About Time
Energy Flow in Ecosystems
Emerging biochemists more fully understand the flow of energy in ecosystems as they explore the laws of thermodynamics and relate them to energy transfer in food chains. They also investigate heat loss from the human body and how...
It's About Time
Who Eats Whom?
Packed with visual aids and multiple learning opportunities, an engaging exercise challenges individuals as they explore the role of producers, consumers, and decomposers. After discussing differences between food chains, food...
It's About Time
Diversity in Living Things
How diverse is the world we live in compared to the way things used to be? Young biologists explore diverse organisms and relate the structure of each organism to its ability to survive in our current environmental conditions....
Chymist
Temperature
Three Dog Night isn't just the name of a band; it is also the way an Australian tribe, who used dogs to stay warm, would describe the temperature on a cool evening. After reading about many different ways of measuring temperature, the...
It's About Time
Mass Extinction and Fossil Records
The focus of a fossil-based lesson uses graphs and charts that allow young paleontologists to make inferences about events of mass extinction. They must apply their previous knowledge about fossil records in this final lesson of the...
It's About Time
The Fossil Record
What do you call a plated dinosaur when he is asleep? A stego-snorus! Through four hands-on activities, young paleontologists rotate through stattions to learn about preservation in rock, resin, ice, and conservation of animal tracks....
It's About Time
Natural Selection
Are you the predator or the prey? Student groups participate in an activity to demonstrate the process of natural selection in a contained environment. After scholars complete the activity and questions, they apply their knowledge to a...
It's About Time
Is It Heredity or the Environment?
Himalayan rabbits are black when raised at low temperatures and white when raised at high temperatures. Young biologists participate in an experiment using seeds to demonstrate the ways the environment can influence an inherited...
It's About Time
Adaptations
Congratulations! You exist, thanks to the wonders of biology and adaptations. The focus of the lesson explains many adaptations of plants and animals and how the environment has influenced the process. A hands-on activity demonstrates...
It's About Time
Oil and Gas Production
Would you consider a power failure a current event? This lesson uses multiple experiments, guided inquiry activities, and group discussions to cover the topics of oil and gas production. This is the seventh lesson in a series of eight.