We completed our final Science investigation for our topic 'Everyday Materials' last week. We tested glass, plastic, foil, wood and paper to see which was the best at letting light through. We found that glass let lots of light through, plastic and paper let some light through and foil and wood didn't let any light through. We sent our findings to a scientist to let him know that glass is the best material for his new windscreen in his racing car as it let the most light through.