In this design challenge, students will discuss ecosystems and take part in a species survival demonstration. This demonstration will challenge students to remove as many species from the environment as possible within one minute and discuss their results. The students will then be presented with the following problem: “Our ecosystem’s population balance has gone out of control. We need to fix our ecosystem to make sure there is equilibrium amongst the species.” The students will put on their engineering hats to assist in maintaining species populations within an ecosystem. The teams will have an opportunity to design a tool to remove the invasive species and restore balance to the ecosystem.
Learning Objectives
Identify and describe the flow of energy in a food chain and food web
Predict how changes in a food chain affect the ecosystem
Explain how organisms and populations in an ecosystem depend on and may compete for biotic and abiotic factors
Describe and give examples of predatory and competitive relationships between animals
Predict how changes and disruptions to the ecosystem affect the food chain or food web
Add, subtract, multiply and divide integers numbers fluently
Balance a simple budget
Solve a problem using the engineering design process
Standards Alignment + Connections
3-LS2-1: Construct an argument that some animals form groups that help members survive.
4-ESS3-2: Generate and compare multiple solutions to reduce the impacts of natural Earth processes on humans.
5-LS2-1: Develop a model to describe the movement of matter among plants, animals, decomposers, and the environment
5-ESS3-1: Obtain and combine information about ways individual communities use science ideas to protect the Earth’s resources and environment.
3.NBT.A.2 Use place value understanding and properties of operation to perform multi-digit arithmetic
4.MD.A.2 Solve problems involving measurement and conversion of measurement for a larger unit to a smaller unit
2021 Science TEKS covered in this design challenge
Students will engage in a STEM challenge to design a truck powered by a chemical reaction that will have to stop within a specific drop-off zone. Teams will be challenged with various payloads to earn bonus points if they can stop in the drop-off zone.
Students will engage in a STEM challenge to design a catapult that can land on two different targets. In this design challenge, students will explore forces and motion in the operation of the simple machine known as a lever