Elements
The lightest element is...
Hydrogen
Ozone is...
O3
How many elements are on the periodic table?
118
The downward pull towards the center of objects with mass, such as the planet Earth or the Moon.
Gravity
Tallest animal in the world?
Giraffe
AU is the symbol for...
Gold
CO2 is...
Carbon Dioxide
True or False: Most elements are metals
True
The Force generated by magnets and/or electricity.
Electromagnetic Force
Slowest mammal in the world?
Three-toed sloths
CU is the symbol for...
Copper
H2O2 is...
Hydrogen Peroxide
True or false: Elements on the table can be destroyed or created.
False
What are the four fundamental forces of nature?
Gravity, Electromagnetism, Strong Nuclear Force, Weak Nuclear Force
The smallest planet?
Mercury
"He" is the symbol for...
Helium
NaCl is...
Salt
Physical Properties are...
properties of an element or molecule that can be observed without changing the substance.
True or False: Atoms resist being pushed and "push back," which is why we don't sink into the ground or why our pencils and computers don't just fall through our desks.
True.
The largest planet?
Jupiter
An element is...
Something that can't be broken down into simpler substances
CuO2 is...
Copper Oxide
Chemical properties are...
Properties of an element or molecule that cannot be observed without causing a chemical reaction or change.
The ability to do work (such as move or exert force) is called...
Energy
The first step of the Scientific Method?
Make an observation/ask a question