Tracks that sound heavy in a studio or club can sound empty on the radio, so sometimes it’s necessary to add 3 rd- or even higher-order harmonics using these techniques, to give the listener the impression of bass and help cement the key of the track.Ģ nd- and 3 rd-order harmonics are what give the 808 presence. I then compress this using a CLA-2A compressor, especially when using the 808 as a kick drum.Ĩ08 mixing is particularly important for the radio. I often replace the transient audio with a piece of pink noise I’ve made in a synth. Harmonics in 808s are really important, as are the pitch envelope and transients. They’re great for everything from straight up pop to hip hop, trap, drum & bass, even house music. In their small groups, have the pupils discuss their experiences working as a group.I love 808s, both as kick drums and for creating bass lines.Purple: I can describe what ‘push’ and ‘pull’ mean, and I can help a friend to understand, too.Blue: I know I can describe what ‘push’ and ‘pull’ mean.Green: I think I can describe what ‘push’ and ‘pull’ mean.Have each pupil choose the brick that they feel best represents their performance.Establish a scale that suits your needs.Measure your pupils’ proficiency in describing how various forces affect how a bigger push or pull makes things speed up or slow down.Ask guiding questions to encourage them to ‘think aloud’ and explain their thought processes and reasoning in the problem-solving decisions they have made when building their models.The pupils can record the results of their trials on their Student Worksheets (Teacher Support – Additional Resources).If the previous distance is beaten, move the Minifigure to mark the new stopping point otherwise, leave it where it is. Place another Minifigure with a chequered flag at the car's stopping point after each trial. Measure 3 tries with the brake on and 3 without it.Try pushing with the yellow brake on, then remove it and see how far the car goes without the brake.Release the spring and watch the car go.Tip: The car goes the farthest if you roll it back so that it is touching the yellow pushing brick before you let go of the spring.Highlight that this retracts the spring and changes its shape. Push or pull the spring forwards and hold it in place.Give your pupils these instructions for the test challenge:.They can use a ruler, or they may use manipulatives that can measure. Tell the pupils to measure the distance travelled each time they launch their car.When the pupils have finished building, have the teams place their launchers at the start line.You can find building help in the Tips section below.Tell them to take turns, one partner searching for the bricks while the other builds, switching roles after each step has been done. Have the pupils work in pairs to build the Push Car model.
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