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Thugainn a’ rannsachadh CAILC còmhla ri Piseag agus Cuilean! Tha Piseag agus Cuilean a’ dèanamh dhealbhan dathach le cailc. Ach, tha e a’ cur iongnadh orra nuair a chì iad gu bheil na dealbhan aca sìor fhalbh, nuair a shuathas iad annta. Tron rannsachadh aca, tha Piseag agus Cuilean ag ionnsachadh gum bi cailc a’ tighinn ann an iomadh dath, ’s urrainn do chailc briseadh agus a dhol na smùr agus gabhaidh cailc suathadh às. Mar phàirt dhen sgrùdadh, tha neach-rannsachaidh òg a’ cleachdadh cailc son a slighe lorg a-mach à ioma-shlighe. A bharrachd air an seo, tha lorgairean beaga bìodach a’ cleachdadh bruisean son slighe chailce shuathadh às.

Let’s find out about chalk with Kit and Pup, who draw colourful pictures with sticks of chalk. But they are puzzled to see their pictures rub away when they brush against them. Through their adventures, Kit and Pup find out that chalk comes in different colours, can be crumbly and can be rubbed out. In the live action investigation, a little scientist uses chalk to find her way out of a maze and in the material world, two little explorers use brushes to sweep away a chalk path.