ASTRA Science Kit Session

Collectables Online content includes videos, activities, animations and games Inside guide to collection that slides like a matchbox Cardboard sleeve and tray over one inches in diameter Ten large specimens these new rock collections now available from ScienceWiz! Let's On the table are three trays of: Volcanic Rocks Gemstones Fossils from these three rock collections. double sided
with QR codes In front of you are information sheets on: Are you READY
for some
questions? Find the
OLDEST fossil. In the FOSSIL tray - #1 ANSWER: Stromatolites The OLDEST are 3.7 billions years old! #2 Was it
a plant
or an animal? Find the Crinoids. ANSWER: Crinoids are animals,
related to star fish. A few species still exist.
They are living fossils. #3 What are you
holding? Find Coprolite! ANSWER: fossilized feces
or, in this case, dinosaur pooh! #4 HOW is BREATHING
related to this stone? Gemstones Tray Find the RED JASPER. ANSWER: Red Jasper is found in banded iron formations and is evidence of the About 2.5 billion years
tiny bacteria
polluted the atmosphere with oxygen. Great news for you and me.
Toxic for most bacteria then alive! GREAT OXYGEN CATASTROPHE! Which gemstone was once
a precious stone? As valuable as
diamonds and rubies? #5 Amethyst Which of these gemstones
is known for forming
gigantic geodes? Over 10 feet tall! #6 ANSWER:
Amethyst again!

The Empress of Uruguay,
is the largest known
Amethyst Geode
in the world. Volcanic Rock Tray

Which 2 rocks are
most common
in oceanic CRUST? #7 BASALT & GABBRO ANSWER Which is the most common rock
on the surface of Mars and
other rocky planets. #8 Volcanic Rock Tray ANSWER Basalt Mars, Venus
and Mercury—
are covered with basalt,
as is the ocean floor of Earth. #9 Which
is the most common rock
in continental crust? ANSWER Granite Continental crust
is composed mostly of different types of
granites. #10 Which volcanic rock
is used to make
surgical knives
sharper than steel? sharper than steel? Still used
for eye surgery! ANSWER Obsidian Well-crafted obsidian blades,
like any glass knife,
can have a cutting edge many times sharper than high-quality steel surgical scalpels Which volcanic rock
FLOATS? #11 ANSWER Pumice Which of these volcanic rocks
contains the mineral
magnetite? #12 ANSWER The one that sticks to a magnet.
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