STEM Christmas Quiz

What is the temperature in Celsius if it is freezing outside on Christmas Day?

• 0°C

• 32°C

• 100°C

• -10°C

Answer explanation

The freezing point of water is 0°C. Therefore, if it is freezing outside on Christmas Day, the temperature must be 0°C, making it the correct answer.

If Santa's sleigh travels 10 kilometres in 5 minutes, what is his speed in kilometres per hour?

• 60 km/h

• 100 km/h

• 120 km/h

• 200 km/h

Answer explanation

To find speed in km/h, convert 5 minutes to hours: 5 minutes = 5/60 hours. Then, speed = distance/time = 10 km / (5/60) h = 10 km * (60/5) = 120 km/h. Thus, Santa's speed is 120 km/h.

How many grams are there in 1 kilogram of Christmas pudding?

• 10 grams

• 100 grams

• 500 grams

• 1000 grams

Answer explanation

1 kilogram is equal to 1000 grams. Therefore, in 1 kilogram of Christmas pudding, there are 1000 grams, making the correct answer 1000 grams.

If you have a Christmas tree that is 2 metres tall, how many centimetres tall is it?

• 20 cm

• 200 cm

• 2000 cm

• 2 cm

Answer explanation

A Christmas tree that is 2 metres tall is equivalent to 200 centimetres, since 1 metre equals 100 centimetres. Therefore, the correct answer is 200 cm.

What is the sum of the angles in a triangle, like the shape of a Christmas tree?

• 90 degrees

• 180 degrees

• 270 degrees

• 360 degrees

Answer explanation

In any triangle, the sum of the interior angles is always 180 degrees. This is a fundamental property of triangles, regardless of their shape, including one that resembles a Christmas tree.

If you have 3 litres of peppermint hot chocolate and you drink 1 litre, how much peppermint hot chocolate is left?

• 1 litre

• 2 litres

• 3 litres

• 4 litres

Answer explanation

You start with 3 litres of peppermint hot chocolate. After drinking 1 litre, you subtract that from the original amount: 3 litres - 1 litre = 2 litres left. Therefore, the correct answer is 2 litres.

What is the perimeter of a square Christmas gift box with each side measuring 5 cm?

• 10 cm

• 15 cm

• 20 cm

• 25 cm

Answer explanation

The perimeter of a square is calculated by adding the lengths of all four sides. For a square with each side measuring 5 cm, the perimeter is 5 cm x 4 = 20 cm. Therefore, the correct answer is 20 cm.

If you have 12 candy canes and you give 4 to your friends, how many do you have left?

• 4

• 6

• 8

• 10

Answer explanation

You start with 12 candy canes and give away 4. To find out how many you have left, subtract 4 from 12: 12 - 4 = 8. Therefore, you have 8 candy canes left.

What is the next number in this pattern: 2, 4, 6, 8, ...?

• 9

• 10

• 11

• 12

Answer explanation

The pattern increases by 2 each time: 2, 4, 6, 8. Following this pattern, the next number is 8 + 2 = 10. Therefore, the correct answer is 10.

If a snowflake has 6 sides, what is the name of this shape?

• Triangle

• Square

• Hexagon

• Pentagon

Answer explanation

A snowflake typically has a hexagonal shape, which means it has 6 sides. Therefore, the correct answer is hexagon, as it specifically refers to a six-sided polygon.