"R" U "R"eady?
100
FREE POINTS: +100
BOOM! There it is
200
Planets that are terrestrial are this
Rocky
300
This chemical element is an alkali metal which means that it's highly reactive, but don't tell its 37 protons that - you might spark an explosion!
(+600: Tell me how many neutrons a neutral version of this element has)
Rubidium
(also 37)
400
A plant is anchored by this
Roots
500
Something that is spinning on its axis is this
Rotating
600
Something that is moving circularly around another (usually larger) object is this
Revolving
700
This process happens when an unstable version of an element releases energy from its nucleus
(+700: Name the Fundamental Force responsible for this)
(+700: Name both of the subatomic particles in the nucleus)
Radioactivity (Radioactive decay)
(Weak force)
(Proton and Neutron)
800
A plant's roots have horizontal portions called this
Rhizomes
