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Getting Started with the TI-Navigator™ System: What's My Rule?
Students explore linear relationships. In this sixth through eighth grade mathematics lesson, students explore the symbolic representation of verbal descriptions of mathematical rules defining the relationship between two variables.
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See How They Grow: Plants And Their Parts
Students discuss what plants require in order to grow, identify plant parts and their functions and discuss a video about plants. They conduct a controlled experiment with bean seeds and then record and observe the bean plants.
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Targeting an Action
Students explore how the brain how the brain infers the position of a moving target. They investigate how the brain can fine-tune its motor control over the muscle groups that will perform the intended action. Students participate in a...
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Rules of the Roll
Students roll a ball down a plank and measure the distance it travels. Students graph the distances the ball travels as they change the height of the incline (increase slope).
NASA
Heavy Lifting
Accept NASA's challenge to design heavy lifting vehicles. Groups of three design balloon-powered rockets to carry as much payload to the ceiling as possible. The teams are encouraged to launch several times while making...
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How Many Drops?
Seventh graders hypothesize about the number of drops of liquid that can be placed on a penny before it spills over. They examine both the concept of devising a hypothesis and the idea of surface tension. They determine the difference...
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Mutations--Preexisting or Acquired?
Students state the controls and variables of the Newcombe spread experiment. They state a hypothesis for the Newcombe spread experiment. Students distinguish between the characteristics of a preexisting mutations and those of an...
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Silicate Gardens
Students take digital pictures of their Silicate Gardens as an analysis of measurements of silicate tube growth. In this silicate measurements lesson, students download pictures of Silicate Gardens being grown on the International...
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What Do Plants Need to Grow?
Fourth graders control variables to determine the effect on plant growth. They collect information by observing and measuring and construct simple graphs, tables, maps and charts to organize, examine and evaluate information.
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Our Food and Microorganisms
Pupils answer questions about how microorganisms can affect our food supply and how they can be controlled. The first set of inquiry activities are directed by the teacher. Subsequent activities are based on students generating their own...
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Germinating Seeds on Gelatin
Students germinate seeds in unflavored gelatin to which liquid house plant food has been added. Students observe and record plant growth in this medium with a variety of variables in a number of experiments.
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An Investigation into Effects of Rhizobium Soil Bacteria on Nitrogen Availability
Students identify the control and the variables in the experiment. They describe the growth of plants with and without nitrogen fixing bacteria, then name the bacterium responsible for making nitrogen available to the plant.
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Succession and Experimental Process
Students describe the roles of controlled, manipulated and responding variables in scientific research. They also identify biotic and abiotic interactions affecting the makeup of a plant community.
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What's the Matter with My Jell-o?
Students work in teams of four as they conduct four controlled Jell-O experiments over a two-day period. The Family Page extends this learning to the community by providing families with challenges to explore at home.
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Mountain Building
Fourth graders identify variables that influence rates of change. They, through group consensus and using the assigned materials, design and build what they believe to be the strongest mountain possible.
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Investigating the Biosphere with Planetary Models
Students model the biosphere and manipulate variables affecting change and plan their experiments with the help of others. They describe their question, hypothesis, and methods of investigation.
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Using Graphs to Compare
Pupils use the FoilSim computer simulation program, and demonstrate an understanding of the lift variables by explaining their graphical representations. They demonstrate an understanding of forces and motion.
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Lotic Environment
Students assemble a classroom river model as an example of a lotic system. They control and measure biotic and abiotic information for the in-class system and compare data with a lotic system in a natural environment.
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Night Creatures of the Kalahari
Learners conduct an experiment to demonstrate how fruit fly populations are controlled by spiders. They observe a variety of environments with fruit flies and spiders and consider how vital spiders are to controlling the insect population.
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Code Crackers
Students work in teams creating and posing math rules and trying to guess them using a formula controlled worksheet they create with Excel. Student pairs take turns to see who can crack the other's code the fastest.
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Examining Infiltration Rates of Various Soil Types
Students formulate their own hypothesis, determine which variables are important to test their hypothesis, design an experiment in which they collect data. They utilize instruments and tools to measure, calculate, and organize data.
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Never Push Your Pendulum
Young scholars investigate the behavior of pendulums and identify the variables that affect it. In this pendulum lesson students complete a lab on pendulums, make conclusions about frequency and the period then conduct a controlled...
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Solar
Students study solar energy. In this renewable energy lesson students complete several lab activities using different controls and variables.
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Lab Experiments in Nutrition
Looking for authentic hands-on nutritional experiments? High schoolers will perform experiments to test for the presence of vitamin C in several solutions as well as the effect of caffeine on Daphnia. They will also consider the...