Chemical and Physical Change
Melted chocolate is put in the fridge and hardens again. What has occured?
A physical change
This type of rock is formed when molten magma or lava cools and solidifies.
Igneous rock
This is the name of the supercontinent that existed before breaking apart into the continents we see today.
Pangaea
Organisms like bacteria, which are made up of only one single cell, are described by this scientific term.
unicellular
This fictional, web-slinging superhero's real name is Peter Parker.
Spider-Man
Name 2 clues a Chemical change has occured?
Precipitate (solid), colour change, gas produced, temperature change
This is the continuous, natural process by which rocks are constantly being broken down, transformed, and recycled into new types of rocks over time.
The rock cycle
This type of boundary occurs where two tectonic plates are moving away from each other, often creating new crust.
Divergent plates
This scientific instrument uses lenses to magnify tiny objects, allowing scientists to see cells that are invisible to the naked eye.
microscope
This is the capital city of Australia.
Canberra
The periodic table is an organised arrangement of these pure substances, which cannot be broken down into simpler substances. Who developed the periodic table?
Dmitri Mendeleev
This is the movement of weathered rock particles from one location to another by natural forces like wind, rivers, or glaciers.
Erosion
This is the name given to the massive, underwater volcanic mountain ranges formed across the world's oceans by seafloor spreading.
Mid-ocean ridge
Often called the "brain" or control center of the cell, this large organelle contains the cell's genetic material (DNA).
nucleus
This ancient civilization is famous for building the Pyramids of Giza and using hieroglyphics for writing.
Ancient Egyptians
What is the chemical symbol that represents Sodium, deriving from its Latin name Natrium.
Na
Rocks are actually made up of a mixture of one or more of these naturally occurring, inorganic solid structures with definite chemical compositions.
Minerals
Tectonic plates are driven to move by these giant circular loops of heating and cooling magma shifting deep inside Earth's mantle
Convection currents
Simple cells that lack a distinct nucleus, such as bacteria, belong to this scientific classification.
prokaryotic cells
Played with 11 players on each side, this is officially the most popular and widely watched sport in the world.
soccer
This liquid metal is the only metal that is not a solid at room temperature.
Mercury
This sedimentary rock, made mostly of calcium carbonate from ancient marine shells, reacts and fizzes when exposed to weak acid.
Limestone
This is the nickname given to the horseshoe-shaped path around the Pacific Ocean basin where the vast majority of the world's earthquakes and volcanic eruptions take place.
The Ring of Fire
These green organelles are found only in plant cells and capture sunlight to perform photosynthesis.
chloroplasts
This iconic British rock band, led by Freddie Mercury, is world-famous for massive hits like "Bohemian Rhapsody," "We Will Rock You," and "Another One Bites the Dust."
Queen