What's new

ruler posts

Messy measuring Activity

by David Shaw, 17 March 2022 | 0 comments

Green wire laying on a messy grid of lines

Rulers are great at measuring straight lines, but how do you measure a curvy line? Here’s one way, using a wonderfully messy diagram!

Continue reading Messy measuring

Categories:

Make a spinning helicopter Activity

by David Shaw, 28 April 2021 | 0 comments

Paper helicopter with paper clip weights.

NASA’s Ingenuity helicopter has made history by flying on Mars. To celebrate the first flight of a copter on another planet, here’s a simple unpowered helicopter you can build at home!

Continue reading Make a spinning helicopter

Drop jump Activity

by David Shaw, 17 October 2019 | 2 comments

Two matcch box drawers side by side with a ten cent coin in the upper drawer.

Drop the ruler, watch for the jump… that’s the point of drop jump! Can you work out which matchbox tray the coin will fall into?

Continue reading Drop jump

Straight line heart Activity

by David Shaw, 6 November 2015 | 0 comments

A two lobed heart shape made of straight lines.

This simple pattern reveals a heart from a circle and a lot of straight lines!

Continue reading Straight line heart

Categories: