Biology
This organ pumps blood around your body
the heart
The three states of matter are solid, liquid, and this.
What is gas?
This force pulls objects toward Earth.
Gravity
This red-nosed character leads Santa’s sleigh.
Who is Rudolph?
This block-building video game features Creepers and Steve.
Minecraft
Plants make their own food using sunlight in a process called this.
Photosynthesis
A famous scientist in history discovered that water is actually made of two different gases. What is the name of this everyday liquid?
Water
Isaac Newton realised how gravity works after watching this fall from a tree (according to legend!).
Apple
People often decorate this type of Christmas tree, which is a popular pine species, in their homes.
Fir tree
This pop star sings “Shake It Off.”
Taylor Swift
Louis Pasteur showed that germs can make us sick. Washing your hands helps remove these tiny organisms. What are they called?
Bacteria
Marie Curie discovered that some elements give off energy on their own. This is called what?
Radioactivity
Thomas Edison helped improve early versions of this everyday electrical object.
the light bulb
In many countries, Christmas stockings are hung by this part of the house, traditionally where a fire is lit.
Fireplace
This sport uses a ball, a bat, and bases.
Baseball
These tiny units make up all living things. Robert Hooke was the first to name them after looking at cork under a microscope.
Cells
John Dalton developed the first modern theory that everything is made of tiny particles called these.
Atoms
Albert Einstein became famous for studying energy and created this well-known equation.
What is E = mc²?
In the song “The Twelve Days of Christmas,” what gift is given on the seventh day?
seven swans-a-swimming
In Harry Potter, the school for witches and wizards.
Hogwarts
Charles Darwin discovered that living things can change over long periods of time through this process.
What is evolution (or natural selection)?
Henry Cavendish discovered this gas, the lightest element, found in stars and balloons.
Hydrogen
Galileo improved this instrument, allowing him to see moons around Jupiter.
telescope
The tradition of the Yule log comes from this country, where it was originally a large log burned in the hearth during the winter solstice.
This number is the value of π rounded to two decimal places.
3.14