Trim and merge

What the words mean

• Timeline: shows the parts of your video in order.
• Trim: cut away a part of a clip you do not want.
• Split: make one clip into two.
• Merge: join two clips together.

Cutting out a mistake in the middle

1. Split the clip just before the mistake.
2. Split it again just after the mistake.
3. Delete the part with the mistake.
4. Merge the two good parts, so that no gap is left.

For teachers

This tool goes with Unit 1, Lessons 6 and 10 of the Year 4 Inspire Computing student book. It teaches the idea of editing and does not replace practice in your green screen application, whose buttons will look different.

• Before the screen: write the scenes of a video on a strip of paper. Pupils cut out the mistake with scissors and tape the good parts together.
• A note on words: the book says cropping means cutting something out. Most software uses crop for cutting the edges off a picture, and trim for cutting a clip, so this tool uses trim.
• Let pupils press Play before they merge. A blank screen where the gap is shows why merging matters.
• Exit question: what is the difference between trimming a clip and merging two clips?
• No video is used, and nothing is saved or sent anywhere.