Format (important)1920×1080this is how it downloads
Preview doesn't change the file
You'll download 1920×1080, 3.5 s, with no background (.mov).
You'll download 1920×1080, 3.5 s, with no background (.mov).
Silhouettes drawn to real scale over a ruler: "this is as long as 3 buses". Change the measurements and they rescale themselves.
Plus the typeface and an optional letter outline, in every template.

Export it without background and put it on a track above your clip: the animation plays over your video.
Human bodyA silhouette with the organ you choose highlighted, beating, and its card beside it.
Scale of the universeA continuous zoom from the atom to the galaxy (or back), with each level coming in from the middle and its…
Myth and realityTwo columns: the myth crossed out in red and what the evidence says in green.
Rocket trajectoryLifts off, climbs through the layers of the atmosphere with the altimeter counting, and reaches orbit.
Solar systemThe eight planets orbiting at their relative sizes; the one you pick is highlighted and pulls out its card.
Layers in cross-sectionConcentric circles opening from the middle with their label and their measurement: the inside of the Earth…
Stacked strataThe same idea in horizontal bands: soil layers, sea levels, price tiers or any "this sits on top of this".
Cycle with stepsThe steps around a ring that completes itself, with a marker going round.