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What is GreenScreen
What is GreenScreen
Green Screen refers to a technique where images or videos are edited and combined through specialised software, using 'chroma key' technology. Green screen artefacts are generally multimedia-based, combining videos, static images and audio tracks. Examples include TV weather reports, movie action scenes, and instructional videos or holiday snaps that 'take you there'.
Software/Apps
Software/Apps
DoInk (GreenScreen) for iOS
www.doink.com - my preferred Green Screen app for most ages and abilities.
DoInk is an iOS app that is easy to use and does a great job. It can help you quickly create videos and images using a mix of multimedia 'ingredients' such as photos, videos, animations and audio tracks. It allows you to use up to 3 channels at a time, and you can crop, layer and edit elements independently or together. I found it's great for all ages and abilities as it can be used in varying levels of complexity (from a simple "holiday Snap" to a full "newscast". It is reasonably priced at around $5 per licence, and their website has a number of tutorials and examples.
If you are looking for other options, all you really need is a video editor with a chroma key that allows you to replace selected colours or areas with other images or videos. A good start is to look at ChromaVid (iOS and Android), or video editing software such as iMovie (Mac), Windows Movie Maker (Windows) and WeVideo (Chromebooks). Be aware that some software will need more 'teacher input' than others.
What do you need?
What do you need?
GreenScreen Kit:
Green (or any solid colour) fabric, paint, clothing or other items
Lights, Camera, Devices with an outward facing camera
Dress-Ups and Props
Storyboards etc for older groups
Pre-recorded or downloaded images, backdrops, patterns or videos (please be aware of copyright)
Computer for editing etc
Set of laminated visuals and carriers (check the communication page here for more info)
Sticky Tape and fishing line (for backdrops, props and special effects)
Communication Devices as appropriate
A Plan B (check the behaviour support page here for more info)
Visuals
Please consider visiting the Communications page before using
Top Tips
Top Tips
Be prepared
Have all your gear (including backdrops and lighting) charged, set up and tested before you start, especially if you are working with students who may get frustrated by any hiccups.Avoid too many choices
Give students choice but not too many - GreenScreening is exciting but students can get overloaded. Keep the amount of props and available image/video choices under controlPractice Failure
Visit the Behaviour Support Section for some tips on how to help students become ready to learn, and self-regulateUse Teamwork
Give your learners different roles and let them collaborate so they can complement and support each other
Top Tips (continued)
Top Tips (continued)
Allow for exploration
Give learners time to explore the equipment and technology. They could explore what happens with different colours, gather green items (tous, clothing, classroom equipment) for experimenting, or research how they could create special effects.Differentiate
Not everyone needs to do the same thing - maybe someone will create a fun snapshot of a jungle visit, whereas someone else might become part of a whole Tomb Raider movie - let learners choose and explore.Have a plan B
Sometimes you cannot avoid Gremlins - make sure you have some other (possibly related) activity as backup, such as researching GreensScreen examples from 'real life', learning how to plan and storyboard using a favourite story.
Remember to have fun!
NZC Progress Outcomes
NZC Progress Outcomes
Green screen activities can meet the NZ Curriculum Progress Outcomes for DDDO in a number of ways. The specific ways in which you use green screen will depend on the specific progress outcomes you are targeting and the needs of your students. Here are a few examples:
DDDO Progress Outcome 1
1: Develop, manipulate, store, retrieve, and share digital content in order to meet technological challenges.
Green screen activities can be used to help students develop their skills in creating, editing, and manipulating digital content as they create videos, animations, or presentations.
2: Identify digital devices and their purposes and explain what makes them digital.
Students identify different types of digital devices and their purposes while they work on their projects. For example, students could explore the equipment used for creating GreenScreen artefacts.
3: Know how to use some applications.
Green screen activities can be used to help students learn how to use different applications. For example, students could use green screen to learn how to use different digital tools and applications such as video editing software, or Picollage, YouTube and Powerpoint to share etc.
5: Have some understanding of the role digital devices play in our everyday lives.
Green screen activities can be used to help students understand the role digital devices play in our everyday lives. For example, students could research and identify green screen use and purpose in 'real life'.
DDDO Progress Outcome 2
Make decisions about creating, manipulating, storing, retrieving, sharing, and testing digital content for a specific purpose, given particular parameters, tools, and techniques.
Students could use green screen technology to create a video that teaches about a particular topic. They would need to decide what content to include in the video, how to manipulate the images and videos, and how to share the video with others.Understand that digital devices impact on humans and society and that both the devices and their impact change over time.
Students could research film and animation techniques in the past and compare/investigate how they were made then, and how you could recreate them now using Greenscreen (for example, old movies or adverst, or 'photoshopped' images.Students identify the specific role of components in a simple input-process-output system and how they work together, and they recognise the "control role” that humans have in the system.
Students create their GreenScreen artefacts, they could identify the different components of the system, such as the camera, the computer or device, and the software, and explain their roles, how they work together and how they use them.Select from an increasing range of applications and file types to develop outcomes for particular purposes.
Students could use green screen technology to create an artefact (video or image) for a specifc purpose, such a music video designed to be shared on social media, or images for travel bochures, and choose the right applications and file types.
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