Ch. 1 - classification/atom structure

How do scientists organize living things?

• by looks
• by shared characteristics
• by size
• by differences

Tags

NGSS.MS-LS4-2

Why do scientists classify living things?

• It helps scientists trap species to study
• It is easier to study organisms when grouped 
• It is a good way to keep organisms calm
• It is helpful when dissecting an organism

Tags

NGSS.MS-LS4-2

An early classification system had two groups: Plants and Animals. What is wrong with that system?

• It is too specific
• It is too narrow minded
• It is too broad
• It is too fancy 

Tags

NGSS.MS-LS4-2

Which particle has a positive charge?

• electron
• orbital
• proton
• neutron

Choose the particle that has no charge.

• nucleus
• neutron
• proton
• electron

An electron has a _____ charge.

• negative
• positive
• neutral

Tags

NGSS.MS-PS2-3

Describe an Electron Cloud?

• the mist outside of an atom
• home of the protons
• where electrons are located
• nucleus

Tags

NGSS.MS-PS1-1

Which particles make up the nucleus of an atom?

• protons and neutrons
• electrons and protons
• electrons, protons, and neutrons
• electrons and neutrons

Tags

NGSS.MS-PS1-1

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

Tags

NGSS.MS-PS1-1

Which statement correctly describes the location and charge of the neutrons in an atom?

• The neutrons are inside the nucleus and have a positive charge.

• The neutrons are outside the nucleus and have a neutral charge.

• The neutrons are outside the nucleus and have a negative charge.

• The neutrons are inside the nucleus and have a neutral charge.

Tags

NGSS.MS-PS1-1