The classroom window stayed open all night, ___ the room was cold in the morning.

Maya left the ice cube on the sunny windowsill, ___ it melted into a small pool of water.

The batteries in the torch were flat, ___ the light stayed off when Leo pressed the switch.

Sam stirred the sugar into the warm water for two minutes, ___ all the crystals disappeared.

The rain gauge stood under the tree, ___ it collected less water than the one in the open field.

Ella put the heavier parcel on the left pan, ___ that side of the balance went down.

The team started the stopwatch late, ___ their time for the race was shorter than the real one.

Ben forgot to close the lid of the jar, ___ the water inside dried up over the week.

The pond froze during the cold night, ___ the ducks walked on the ice in the morning.

The class sorted the shells into two trays, ___ counting the smooth ones was much quicker.

The ruler started at the one centimetre mark, ___ Noor's measurement of the leaf was one centimetre too long.

The paint was still wet, ___ the two colours mixed where the shapes touched.

Ravi added ten more marbles to the jar, ___ the total on his table went up to thirty.

The magnet was strong, ___ it picked up all the paper clips in the dish.

The lid of the kettle was left off, ___ steam rose from the water into the cold air.

Tray C stood in a dark cupboard for a week, ___ the seedlings inside it turned yellow.

The soil in the pot was packed down hard, ___ the water sat on top instead of sinking in.

Amir wrote the numbers in the wrong columns, ___ the total at the bottom of his table was wrong.

The thermometer stood in bright sunlight, ___ the reading was higher than the real air temperature.

The strip of paper had no folds in it, ___ it bent when the first coin was placed on top.

The shadow of the small pole grew longer ___ the torch was moved closer to the table.

The class finished the sorting task early ___ every child had a tray ready on the desk.

The water in the blue cup cooled faster ___ the cup had no lid on it.

Nia's model tower fell over ___ its base was much narrower than its top.

The bar for Monday is the tallest on the chart ___ the class counted the most visitors that day.

The bread dough rose slowly ___ the kitchen was colder than usual that morning.

Only three seeds grew in Tray B ___ the tray stood far from the window.

The salt stayed at the bottom of the glass ___ the water was ice cold.

Leo's answer was two centimetres too small ___ he measured from the wrong end of the ruler.

The wooden block stayed on the surface ___ it was lighter than the ball of clay.

The playground was still wet at lunchtime ___ rain fell all through the morning.

The team's race time was slower than last week ___ one runner stopped to tie a shoelace.

The line on the graph is flat after six minutes ___ the temperature stayed at eighty degrees Celsius.

The ice lolly melted in ten minutes ___ Mia carried it across the sunny playground.

The plant on the shelf leaned towards the window ___ the light came from that side of the room.

The kitchen scales showed a smaller mass ___ some flour spilled over the edge of the bowl.

Hana could not read her tally chart ___ the marks were crowded into one narrow column.

The candle went out quickly ___ the glass jar over it was very small.

The water in the jug looked cloudy ___ the class mixed chalk dust into it.

The paper towel felt heavier after the test ___ it soaked up most of the spilled water.