hard quiz

what are atoms made of

• electrons and quarks.

• electrones

• quarks and tonys

• quarks

Tags

NGSS.MS-PS1-1

what is a eye made up of

• three coats, which enclose the optically clear aqueous humour, lens,tube, and vitreous body

• three coats, which enclose the optically clear aqueous humour, lens,

• three coats, which enclose the optically clear aqueous humour, lens, and vitreous body

• four coats, which enclose the optically clear aqueous humour, lens, and vitreous body

• ()DD

• EVEN

• odd/.?

• even.

what is it

• 1ns

• ??????

• 6n

• 3n

Tags

NGSS.HS-PS3-1

Why is the sky blue?

• because it is

• particles in they air

• white light

• because god made it

why is the sea salty

• because someone put salt in it

• because it is

• runoff

• openings in the seafloor

why is space dark

• near-perfect vacuum

• there is no atmosphere to scatter light.

• exceedingly few particles

• there's virtually nothing in the space between stars and planets

How much does the Earth weigh?

• 5.972 × 10^24 kn

• 5.972 × 10^34 kg

• 5.862 × 10^24 kg

• 5.972 × 10^24 kg

Tags

NGSS.MS-PS2-4

which symbol is this and its meaning

• destruction

• peace

• yang

  yin

• hope