planets
earth science
minerals
plants
water cycle
100

whats the smallest non solid planet in the solar system ?

Neptune

100

what are the three main layers of the earth?

crust mantle core

100

what is the five requirements of a mineral?

natural, inorganic, solid, crystal structure, definite chemical comp

100

what is the 5 essential parts of a plant?

stem, root, leaves, flower, seed

100

what is the water cycle?

The continuous movement of water from the ocean to the atmosphere, to the land, and back to the ocean

200

which planet has the longest revolutiion?

Neptune

200

what layer of the earth do the tectonic plates float on?

asthenosphere

200

why is coal not considered a mineral?

it is organic

200

what do roots do?

absorb nutrients

200

What is the primary energy source for the water cycle?

the sun

300

how many planets have carbon dioxide in their atmosphere?

Venus Mars Earth

300

why is the inner core solid if it is hotter than the outer core?

due to pressure

300

what is the streak of a mineral?

the minerals powder

300

how do stems transport water?

vascular tissue and pholem tissue

300

What is evaporation?

water being dissolved by heat

400

which planets have NASA successfully landed on? (not including moon)

Mars venus

400

what is formed when plates collide?

mountains ridges and volcanos

400

what is luster?

the way mineral reflects light

400

what is a waxy, waterrpoof layer that covers the leaves?

a cuticle

400

What is condensation?

water vapor becomes a liquid

500

which planet

tung tung

500

what is the point of a earthquakes direct focus?

epicenter

500

what is the difference between cleavage and fracture

fracture breaks in irregular way, cleavage is splitting easily along surfaces

500

what are the two main types of root systems?

taproot and fibrous root

500

What force causes precipitation to fall and runoff to flow?

gravity