How Small is an Atom?

Everything is made up of little tiny things called _____

• compounds
• molecules
• atoms
• solids

Tags

NGSS.MS-PS1-1

From the diagram, which particles are indicated with the arrow?

• electrons and protons
• protons and neutrons
• electrons and neutrons
• photons and nucleons

Tags

NGSS.MS-PS1-1

These particles orbit around the nucleus of an atom.  What are they called?

• electrons
• protons
• neutrons
• photons

Tags

NGSS.MS-PS1-1

If a grapefruit's atoms were the size of blueberries, then the grapefruit would be the size of _____

• the Earth
• a house
• a city
• the solar system

If you filled the Earth with blueberries, that same number would represent the atoms in _____

• a grapefruit
• the sun
• a basketball
• a grain of sand

Tags

NGSS.MS-ESS1-3

In the center of the atom is something called _____

• the kernel
• the cell
• the nucleus
• the focal point

Tags

NGSS.MS-PS1-1

What are the names of the particles in the nucleus?

• protons and neutrons
• protons and electrons
• photons and neutrons
• nucleons and protons

Tags

NGSS.MS-PS1-1

Near the outside of an atom, you'd find _____

• electrons
• protons
• neutrons
• photons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Old pictures of the atom from science textbooks are wrong because _____

• they show the nucleus at the center
• they're not drawn to scale
• the nucleus is drawn too small
• the electrons are on the outside

Tags

NGSS.MS-PS1-1

If you opened up a blueberry, which represented an atom, the nucleus would be _____

• too small to see
• barely visible
• the size of a seed
• almost the size of the blueberry

Tags

NGSS.HS-PS1-8