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With over 500 online simulations, virtual labs, and interactive cases for math and science—there’s a Gizmo for just about everybody. Let’s find yours.

Genetic Engineering

  • New!

5 Minute Preview

Use genetic engineering techniques to create corn plants resistant to insect pests or tolerant of herbicides. Identify useful genes from bacteria, insert the desired gene into a corn plant,...

Lesson Info Launch Gizmo

Chicken Genetics

5 Minute Preview

Breed "pure" chickens with known genotypes that exhibit specific feather colors, and learn how traits are passed on via codominant genes. Chickens can be stored in cages for future...

Lesson Info Launch Gizmo

Mouse Genetics (Two Traits)

5 Minute Preview

Breed "pure" mice with known genotypes that exhibit specific fur and eye colors, and learn how traits are passed on via dominant and recessive genes. Mice can be stored in cages for future...

Lesson Info Launch Gizmo

Mouse Genetics (One Trait)

5 Minute Preview

Breed "pure" mice with known genotypes that exhibit specific fur colors, and learn how traits are passed on via dominant and recessive genes. Mice can be stored in cages for future...

Lesson Info Launch Gizmo

Fast Plants® 1 - Growth and Genetics

  • Free!
  • New!

FREE with no time limit!

5 Minute Preview

Grow Wisconsin Fast Plants® in a simulated lab environment. Explore the life cycles of these plants and how their growth is influenced by light, water, and crowding. Practice pollinating...

Lesson Info Launch Gizmo

GMOs and the Environment

  • New!

5 Minute Preview

In this follow-up to the Genetic Engineering Gizmo, explore how farmers can maximize yield while limiting ecosystem damage using genetically modified corn. Choose the corn type to plant and...

Lesson Info Launch Gizmo

Meowsis

  • Stem Case
Video Preview

As a geneticist in an animal hospital, students learn about genetic changes in meiosis to determine the reason why a male cat can have calico fur coloring.

Lesson Info

Fast Plants® 2 - Mystery Parent

  • Free!
  • New!

FREE with no time limit!

5 Minute Preview

In this follow-up to Fast Plants® 1 - Growth and Genetics, continue to explore inheritance of traits in Wisconsin Fast Plants. Infer the genotype of a "mystery P2 parent" of a set of Fast...

Lesson Info Launch Gizmo

Hardy-Weinberg Equilibrium

5 Minute Preview

Set the initial percentages of three types of parrots in a population and track changes in genotype and allele frequency through several generations. Analyze population data to develop an...

Lesson Info Launch Gizmo

Building DNA

5 Minute Preview

Construct a DNA molecule, examine its double-helix structure, and then go through the DNA replication process. Learn how each component fits into a DNA molecule, and see how a unique,...

Lesson Info Launch Gizmo

Microevolution

5 Minute Preview

Observe the effect of predators on a population of parrots with three possible genotypes. The initial percentages and fitness levels of each genotype can be set. Determine how initial...

Lesson Info Launch Gizmo

Evolution: Mutation and Selection

5 Minute Preview

Observe evolution in a fictional population of bugs. Set the background to any color, and see natural selection taking place. Inheritance of color occurs according to Mendel's laws and...

Lesson Info Launch Gizmo

Evolution: Natural and Artificial Selection

5 Minute Preview

Observe evolution in a fictional population of bugs. Set the background to any color, and see natural selection taking place. Compare the processes of natural and artificial selection....

Lesson Info Launch Gizmo

Evolution

  • Stem Case
Video Preview

Working as a CDC researcher, students investigate an outbreak of multi-drug resistant bacterial infections and determine how evolution was involved by tracing the source and cause of the...

Lesson Info

Heredity and Traits

  • Stem Case
Video Preview

As a bee scientist, students help a honey farm that has low honey production due to wasps. Students learn about bees, heredity and traits to determine which traits will help the bees defend...

Lesson Info

Inheritance

5 Minute Preview

Create aliens with different traits and breed them to produce offspring. Determine which traits are passed down from parents to offspring and which traits are acquired. Offspring can be...

Lesson Info Launch Gizmo

Fruit Production

  • Stem Case
Video Preview

As an agricultural scientist, students help a strawberry farmer who is having problems with low fruit production. Students learn about the factors involved in fruit production including...

Lesson Info
  • New!
Genetic Engineering
Chicken Genetics
Mouse Genetics (Two Traits)
Mouse Genetics (One Trait)
  • Free!
  • New!
Fast Plants® 1 - Growth and Genetics
  • New!
GMOs and the Environment
  • Stem Case
Meowsis
  • Free!
  • New!
Fast Plants® 2 - Mystery Parent
Hardy-Weinberg Equilibrium
Building DNA
Microevolution
Evolution: Mutation and Selection
Evolution: Natural and Artificial Selection
  • Stem Case
Evolution
  • Stem Case
Heredity and Traits
Inheritance
  • Stem Case
Fruit Production

Fast Plants® 1 - Growth and Genetics

  • Free!
  • New!

FREE with no time limit!

5 Minute Preview

Grow Wisconsin Fast Plants® in a simulated lab environment. Explore the life cycles of these plants and how their growth is influenced by light, water, and crowding. Practice pollinating...

Lesson Info Launch Gizmo

Fast Plants® 2 - Mystery Parent

  • Free!
  • New!

FREE with no time limit!

5 Minute Preview

In this follow-up to Fast Plants® 1 - Growth and Genetics, continue to explore inheritance of traits in Wisconsin Fast Plants. Infer the genotype of a "mystery P2 parent" of a set of Fast...

Lesson Info Launch Gizmo
  • Free!
  • New!
Fast Plants® 1 - Growth and Genetics
  • Free!
  • New!
Fast Plants® 2 - Mystery Parent

Meowsis

  • Stem Case

Video Preview

As a geneticist in an animal hospital, students learn about genetic changes in meiosis to determine the reason why a male cat can have calico fur coloring.

Lesson Info

Evolution

  • Stem Case

Video Preview

Working as a CDC researcher, students investigate an outbreak of multi-drug resistant bacterial infections and determine how evolution was involved by tracing the source and cause of the...

Lesson Info

Heredity and Traits

  • Stem Case

Video Preview

As a bee scientist, students help a honey farm that has low honey production due to wasps. Students learn about bees, heredity and traits to determine which traits will help the bees defend...

Lesson Info

Fruit Production and the Environment

  • Stem Case

Video Preview

As an agricultural scientist, students help a strawberry farmer who is having problems with low fruit production. Students learn about the factors involved in fruit production including...

Lesson Info
  • Stem Case
Meowsis
  • Stem Case
Evolution
  • Stem Case
Heredity and Traits
  • Stem Case
Fruit Production and the Environment
Screenshot of Genetic Engineering Gizmo

Genetic Engineering

  • New!

5 Minute Preview

Use genetic engineering techniques to create corn plants resistant to insect pests or tolerant of herbicides. Identify useful genes from bacteria, insert the desired gene into a corn plant, and then compare the modified plant to a control plant in a lab setting.

Lesson Info Launch Gizmo
Screenshot of Chicken Genetics Gizmo

Chicken Genetics

5 Minute Preview

Breed "pure" chickens with known genotypes that exhibit specific feather colors, and learn how traits are passed on via codominant genes. Chickens can be stored in cages for future breeding, and the statistics of feather color are reported every time the chickens breed. Punnett squares can be used to predict results.

Lesson Info Launch Gizmo
Screenshot of Mouse Genetics (Two Traits) Gizmo

Mouse Genetics (Two Traits)

5 Minute Preview

Breed "pure" mice with known genotypes that exhibit specific fur and eye colors, and learn how traits are passed on via dominant and recessive genes. Mice can be stored in cages for future breeding, and the statistics of fur and eye color are reported every time a pair of mice breed. Punnett squares can be used to predict results.

Lesson Info Launch Gizmo
Screenshot of Mouse Genetics (One Trait) Gizmo

Mouse Genetics (One Trait)

5 Minute Preview

Breed "pure" mice with known genotypes that exhibit specific fur colors, and learn how traits are passed on via dominant and recessive genes. Mice can be stored in cages for future breeding, and the statistics of fur color are reported every time a pair of mice breed. Punnett squares can be used to predict results.

Lesson Info Launch Gizmo
Screenshot of Fast Plants<sup>®</sup> 1 - Growth and Genetics Gizmo

Fast Plants® 1 - Growth and Genetics

  • Free!
  • New!

FREE with no time limit!

5 Minute Preview

Grow Wisconsin Fast Plants® in a simulated lab environment. Explore the life cycles of these plants and how their growth is influenced by light, water, and crowding. Practice pollinating the plants using bee sticks, then observe the traits of the offspring plants. Use Punnett squares to model the inheritance of genes for stem color and leaf color for these plants.

Lesson Info Launch Gizmo
Screenshot of GMOs and the Environment Gizmo

GMOs and the Environment

  • New!

5 Minute Preview

In this follow-up to the Genetic Engineering Gizmo, explore how farmers can maximize yield while limiting ecosystem damage using genetically modified corn. Choose the corn type to plant and the amount of herbicide and insecticide to use, then measure corn yields and monitor wildlife populations and diversity. Observe the long-term effects of pollutants on a nearby stream ecosystem.

Lesson Info Launch Gizmo
Screenshot of Meowsis Gizmo

Meowsis

  • Stem Case

Video Preview

As a geneticist in an animal hospital, students learn about genetic changes in meiosis to determine the reason why a male cat can have calico fur coloring.

Lesson Info
Screenshot of Fast Plants<sup>®</sup> 2 - Mystery Parent Gizmo

Fast Plants® 2 - Mystery Parent

  • Free!
  • New!

FREE with no time limit!

5 Minute Preview

In this follow-up to Fast Plants® 1 - Growth and Genetics, continue to explore inheritance of traits in Wisconsin Fast Plants. Infer the genotype of a "mystery P2 parent" of a set of Fast Plants based on the traits of the P1, F1, and F2 plants. Then create designer Fast Plants by selectively breeding plants with desired traits.

Lesson Info Launch Gizmo
Screenshot of Hardy-Weinberg Equilibrium Gizmo

Hardy-Weinberg Equilibrium

5 Minute Preview

Set the initial percentages of three types of parrots in a population and track changes in genotype and allele frequency through several generations. Analyze population data to develop an understanding of the Hardy-Weinberg equilibrium. Determine how initial allele percentages will affect the equilibrium state of the population.

Lesson Info Launch Gizmo
Screenshot of Building DNA Gizmo

Building DNA

5 Minute Preview

Construct a DNA molecule, examine its double-helix structure, and then go through the DNA replication process. Learn how each component fits into a DNA molecule, and see how a unique, self-replicating code can be created.

Lesson Info Launch Gizmo
Screenshot of Microevolution Gizmo

Microevolution

5 Minute Preview

Observe the effect of predators on a population of parrots with three possible genotypes. The initial percentages and fitness levels of each genotype can be set. Determine how initial fitness levels affect genotype and allele frequencies through several generations. Compare scenarios in which a dominant allele is deleterious, a recessive allele is deleterious, and the heterozygous individual is fittest.

Lesson Info Launch Gizmo
Screenshot of Evolution: Mutation and Selection Gizmo

Evolution: Mutation and Selection

5 Minute Preview

Observe evolution in a fictional population of bugs. Set the background to any color, and see natural selection taking place. Inheritance of color occurs according to Mendel's laws and probability. Mutations occur at random, and probability of capture by predators is determined by the insect's camouflage.

Lesson Info Launch Gizmo
Screenshot of Evolution: Natural and Artificial Selection Gizmo

Evolution: Natural and Artificial Selection

5 Minute Preview

Observe evolution in a fictional population of bugs. Set the background to any color, and see natural selection taking place. Compare the processes of natural and artificial selection. Manipulate the mutation rate, and determine how mutation rate affects adaptation and evolution.

Lesson Info Launch Gizmo
Screenshot of Evolution Gizmo

Evolution

  • Stem Case

Video Preview

Working as a CDC researcher, students investigate an outbreak of multi-drug resistant bacterial infections and determine how evolution was involved by tracing the source and cause of the outbreak.

Lesson Info
Screenshot of Heredity and Traits Gizmo

Heredity and Traits

  • Stem Case

Video Preview

As a bee scientist, students help a honey farm that has low honey production due to wasps. Students learn about bees, heredity and traits to determine which traits will help the bees defend their hives against the wasps. They then pick a new queen bee to pass on these traits to the bee colony.

Lesson Info
Screenshot of Inheritance Gizmo

Inheritance

5 Minute Preview

Create aliens with different traits and breed them to produce offspring. Determine which traits are passed down from parents to offspring and which traits are acquired. Offspring can be stored for future experiments or released.

Lesson Info Launch Gizmo
Screenshot of Fruit Production Gizmo

Fruit Production

  • Stem Case

Video Preview

As an agricultural scientist, students help a strawberry farmer who is having problems with low fruit production. Students learn about the factors involved in fruit production including plant nutrients, pollination and bees, and the interaction with the environment.

Lesson Info
Screenshot of Fast Plants<sup>®</sup> 1 - Growth and Genetics Gizmo

Fast Plants® 1 - Growth and Genetics

  • Free!
  • New!

FREE with no time limit!

5 Minute Preview

Grow Wisconsin Fast Plants® in a simulated lab environment. Explore the life cycles of these plants and how their growth is influenced by light, water, and crowding. Practice pollinating the plants using bee sticks, then observe the traits of the offspring plants. Use Punnett squares to model the inheritance of genes for stem color and leaf color for these plants.

Lesson Info Launch Gizmo
Screenshot of Fast Plants<sup>®</sup> 2 - Mystery Parent Gizmo

Fast Plants® 2 - Mystery Parent

  • Free!
  • New!

FREE with no time limit!

5 Minute Preview

In this follow-up to Fast Plants® 1 - Growth and Genetics, continue to explore inheritance of traits in Wisconsin Fast Plants. Infer the genotype of a "mystery P2 parent" of a set of Fast Plants based on the traits of the P1, F1, and F2 plants. Then create designer Fast Plants by selectively breeding plants with desired traits.

Lesson Info Launch Gizmo
Screenshot of Meowsis STEM Case

Meowsis

  • Stem Case

Video Preview

As a geneticist in an animal hospital, students learn about genetic changes in meiosis to determine the reason why a male cat can have calico fur coloring.

Lesson Info
Screenshot of Evolution STEM Case

Evolution

  • Stem Case

Video Preview

Working as a CDC researcher, students investigate an outbreak of multi-drug resistant bacterial infections and determine how evolution was involved by tracing the source and cause of the outbreak.

Lesson Info
Screenshot of Heredity and Traits STEM Case

Heredity and Traits

  • Stem Case

Video Preview

As a bee scientist, students help a honey farm that has low honey production due to wasps. Students learn about bees, heredity and traits to determine which traits will help the bees defend their hives against the wasps. They then pick a new queen bee to pass on these traits to the bee colony.

Lesson Info
Screenshot of Fruit Production and the Environment STEM Case

Fruit Production and the Environment

  • Stem Case

Video Preview

As an agricultural scientist, students help a strawberry farmer who is having problems with low fruit production. Students learn about the factors involved in fruit production including plant nutrients, pollination and bees, and the interaction with the environment.

Lesson Info

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© 2025 ExploreLearning. All rights reserved. Gizmo and Gizmos are registered trademarks of ExploreLearning. STEM Cases, Handbooks and the associated Realtime Reporting System are protected by US Patent No. 10,410,534

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Find Gizmos
  • FREE Gizmos
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About Gizmos
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  • About STEM Cases
  • What are Gizmos Investigations?
  • Take a Tour
  • Supporting All Students
  • How to Get Gizmos
  • Testimonials
  • K-5 Science
Research
  • The Impact of Gizmos on Student Achievement
  • The Research Behind Gizmos
Support
  • Professional Development Overview
  • Meet the Team
  • Course Catalog
  • Help Center
  • Site Status
Resources
  • Popular Gizmos Collections
  • Educator Resource Hub
  • Success Stories
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© 2025 ExploreLearning. All rights reserved. Gizmo and Gizmos are registered trademarks of ExploreLearning. STEM Cases, Handbooks and the associated Realtime Reporting System are protected by US Patent No. 10,410,534

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