In this activity, students use their own creativity (and their bodies) to …
In this activity, students use their own creativity (and their bodies) to make longitudinal and transverse waves. Through the use of common items, they will investigate the different between longitudinal and transverse waves.
Students determine the refractive index of a liquid with a simple technique …
Students determine the refractive index of a liquid with a simple technique using a semi-circular hollow block. Then they predict the refractive index of a material (a Pyrex glass tube) by matching it with the known refractive index of a liquid using the percent light transmission measurement. The homemade light intensity detector uses an LED and multimeter, which are relatively inexpensive (and readily available) compared to commercially available measurement instruments.
Students learn how paper is made. Working together, student teams make their …
Students learn how paper is made. Working together, student teams make their own paper. This activity introduces students to recycling; what it is, its value and benefits, and how it affects their lives.
Students learn about the difference between temperature and thermal energy. They build …
Students learn about the difference between temperature and thermal energy. They build a thermometer using simple materials and develop their own scale for measuring temperature. They compare their thermometer to a commercial thermometer, and get a sense for why engineers need to understand the properties of thermal energy.
What is inside a video game controller? Students learn about simple circuits …
What is inside a video game controller? Students learn about simple circuits and switches as they build arcade controllers using a cardboard box and a MaKey MaKey—an electronic tool and toy that enables users to connect everyday objects to computer programs. Each group uses a joystick and two big push button arcade buttons to make the controller. They follow provided schematics to wire, test and use their controllers—exploring the functionality of the controllers by playing simple computer games like Tetris and Pac-Man. Many instructional photos, a cutting diagram and a wiring schematic are included.
During the activity, students build a star lantern, allowing them to learn …
During the activity, students build a star lantern, allowing them to learn that constellations were created by people and are composed of stars. Students learn how to recognise some constellations.
After reading the story "Dear Mr. Henshaw" by Beverly Cleary, student groups …
After reading the story "Dear Mr. Henshaw" by Beverly Cleary, student groups create alarm systems to protect something in the classroom, just as the main character Leigh does to protect his lunchbox from thieves. Students learn about alarms and use their creativity to devise multi-step alarm systems to protect their lockers, desk, pets or classroom door. Note: This activity can also be done without reading the Cleary book.
This task is a straightforward task related to adding fractions with the …
This task is a straightforward task related to adding fractions with the same denominator. The main purpose is to emphasize that there are many ways to decompose a fraction as a sum of fractions, similar to decompositions of whole numbers that students should have seen in earlier grades.
Students learn the components of the rock cycle and how rocks can …
Students learn the components of the rock cycle and how rocks can change over time under the influence of weathering, erosion, pressure and heat. They learn about geotechnical engineering and the role these engineers play in the development of an area of land, the design and placement of new structures, and detection of natural disasters.
This tasks lends itself very well to multiple solution methods. Students may …
This tasks lends itself very well to multiple solution methods. Students may learn a lot by comparing different methods. Students who are already comfortable with fraction multiplication can go straight to the numeric solutions given below. Students who are still unsure of the meanings of these operations can draw pictures or diagrams.
Students learn about engineering applications in artistic venues by designing and creating …
Students learn about engineering applications in artistic venues by designing and creating eye masks that each contain three LEDs. They explore parallel circuits with their LEDs, and sew with conductive thread to create light-up displays on their masks, gaining hands-on experience in using engineering technologies as well as custom product design and assembly.
This is the first of two fraction division tasks that use similar …
This is the first of two fraction division tasks that use similar contexts to highlight the difference between the ŇNumber of Groups UnknownÓ a.k.a. ŇHow many groups?Ó (Variation 1) and ŇGroup Size UnknownÓ a.k.a. ŇHow many in each group?Ó (Variation 2) division problems.
This is the second of two fraction division tasks that use similar …
This is the second of two fraction division tasks that use similar contexts to highlight the difference between the ŇNumber of Groups UnknownÓ a.k.a. ŇHow many groups?Ó (Variation 1) and ŇGroup Size UnknownÓ a.k.a. ŇHow many in each group?Ó (Variation 2) division problems.
Students use everyday building materials sand, pea gravel, cement and water to …
Students use everyday building materials sand, pea gravel, cement and water to create and test pervious pavement. They learn what materials make up a traditional, impervious concrete mix and how pervious pavement mixes differ. Groups are challenged to create their own pervious pavement mixes, experimenting with material ratios to evaluate how infiltration rates change with different mix combinations.
Students create large-scale models of microfluidic devices using a process similar to …
Students create large-scale models of microfluidic devices using a process similar to that of the PDMS and plasma bonding that is used in the creation of lab-on-a-chip devices. They use disposable foam plates, plastic bendable straws and gelatin dessert mix. After the molds have hardened overnight, they use plastic syringes to inject their model devices with colored fluid to test various flow rates. From what they learn, students are able to answer the challenge question presented in lesson 1 of this unit by writing individual explanation statements.
As a weighted plastic egg is dropped into a tub of flour, …
As a weighted plastic egg is dropped into a tub of flour, students see the effect that different heights and masses of the same object have on the overall energy of that object while observing a classic example of potential (stored) energy transferred to kinetic energy (motion). The plastic egg's mass is altered by adding pennies inside it. Because the egg's shape remains constant, and only the mass and height are varied, students can directly visualize how these factors influence the amounts of energy that the eggs carry for each experiment, verified by measurement of the resulting impact craters. Students learn the equations for kinetic and potential energy and then make predictions about the depths of the resulting craters for drops of different masses and heights. They collect and graph their data, comparing it to their predictions, and verifying the relationships described by the equations. This classroom demonstration is also suitable as a small group activity.
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