Questions with the keyword 'colour'

• What makes your hair the colour it is? by anon-191643 to Adam Comments: (No comments so far )
• Are all lazers red, like in cartoons??? by anon-191448 to Agnes Comments: (No comments so far )
• Is the sky really blue? by anon-191172 to Kathryn, Graeme, Chris, Anne, Agnes, Adam Comments: (No comments so far )
• Why does fire turn blue or white when extremely hot? by anon-191728 to Adam Comments: (No comments so far )