Earth & Space
Santa sees the Moon shining brightly on Christmas Eve.
Is the Moon producing its own light? Why/why not?
No, it reflects sunlight.
When Santa slides down a snowy hill, which force makes him move faster?
A) Friction
B) Gravity
C) Air resistance
D) Magnetism
B) Gravity
Santa stirs sugar into his hot cocoa. Is this a mixture or a pure substance?
A) Mixture
B) Pure substance
C) Compound
D) Element
A) Mixture
Are reindeer producers, consumers, or decomposers?
Consumers
If Santa is delivering presents in Australia on Christmas night, which hemisphere is tilted towards the Sun?
Southern Hemisphere
Santa’s sleigh slows down on rough snow. Which force is acting against his motion?
Friction
When Santa melts snow for water, is this a physical or chemical change?
Physical change
Santa sees holly plants in the snow. Are they autotrophs or heterotrophs?
Autotrophs – they make their own food.
Why are the days longer in Australia during Christmas compared to Europe?
A) Australia is closer to the Sun
B) Southern Hemisphere is tilted towards the Sun
C) Earth spins faster in December
D) Europe has more clouds in December
B: Southern Hemisphere is tilted towards the Sun
Why does Santa need more reindeer to pull his sleigh when it’s full of presents?
A) More mass means more force is needed
B) Reindeer get tired easily
C) Presents make the sleigh slippery
D) Air resistance increases
A) More mass means more force is needed
Santa uses salt to melt ice on his driveway. Why does salt make ice melt faster?
A) It raises the freezing point
B) It lowers the freezing point
C) It adds heat
D) It absorbs water
B) It lowers the freezing point
If Santa adds more reindeer to the Arctic, what happens to the plants they eat?
Plant population decreases
If Santa travels at the speed of light to reach a star 4 light-years away, how long will it take him?
A) 4 days
B) 4 months
C) 4 years
D) 40 years
C) 4 years
Santa uses a ramp to load heavy presents onto his sleigh. Which type of simple machine is the ramp, and how does it make the job easier?
Inclined plane – it allows Santa to use less force over a longer distance
Santa accidentally mixes iron filings with sugar. How can he separate them?
Use a magnet to remove iron filings.
Which trophic level would Santa’s reindeer belong to in an Arctic food web?
A) Producers
B) Primary consumers
C) Secondary consumers
D) Decomposers
B) Primary consumers
On Christmas Eve, Santa notices a waxing gibbous Moon. Which phase will come next, and why?
A) Full Moon – because the illuminated portion is increasing
B) Last Quarter – because the Moon is moving away from the Sun
C) New Moon – because the Moon is completing its orbit
D) Waning Gibbous – because the illuminated portion is decreasing
A: Full Moon – waxing gibbous means the lighted part is growing, so the next phase is Full Moon
Santa needs to lift a very heavy sack of toys onto his sleigh. He has two options: use a single fixed pulley or a multiple pulley system with several wheels. Which option will require less effort and why?
Compound pulley system – it provides a mechanical advantage by distributing the weight across multiple ropes, reducing the effort needed.)
Santa wants to separate glitter from sand. Which method should he use?
Sieving or filtration
Santa’s workshop pollutes a nearby river. Predict one impact on the Arctic food web.
Pollution could kill producers like algae, reducing energy flow and collapsing the food web