Britannica School offers a huge range of accurate and up-to-date content to help you with your research, including articles, photos, videos and primary sources.
A rationale justifies your experiment - it explains they 'why' of undertaking your experiment.
It introduces your reader to your work and so is positioned in the introductory section of your writing
Timestamps: What's the function of Literature Review? 0:55 Step 1: Find relevant research. 5:33 Step 2: Log, catalogue, & synthesise. 15:58 Step 3: Outlining & Writing up. 27:47
Above is a great video that explores the following:
Circular Motion (Centripetal Force)
Duration: 8:43 min
Using an amusement park to explore circular motion, this video work through an example problem and define such terms as tangential velocity and centripetal acceleration
In this video the 3 factors that affect projectile motion are explored: Speed, Angle and Height of release.
Duration: 11:57 min
Inclined Plane Motion
Duration: 3:19 min
An easy to follow video with explanations of calculations.