tlh teacher’s little helper
Presentation page 3

I do: what makes a strong observation

A good scientific observation is specific — it uses your senses and describes exactly what you notice. Let's see the difference.

ChangeWeak observationStrong observation
Melting butter"It melted.""The solid yellow butter slowly turned into a clear yellow liquid when heated."
Fizzing tablet"It bubbled.""Bubbles of gas rose quickly to the surface and the tablet shrank until it disappeared."