OpenSciEd

a physical representation of something in the world that can help us explain phenomena or solve problems

• scale model

• one-way mirror

• light source

Tags

NGSS.MS-ETS1-4

• variable that is changed

• only one for each experiment

• independent variable

• dependent variable

• scale model

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

variable affected by the change caused by the independent variable

• independent variable

• dependent variable

• scale model

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

specific, testable question that guides a scientific experiment

• experimental question

• dependent variable

• system

List the steps of the scientific method

d

e

f

c

b

a

Communicate results

Ask a question

Conduct experiment

Analyze results

Form a hypothesis

Draw conclusions

allowing light to pass through so that objects behind can be clearly seen

• transparent

• opaque

• transmit

Tags

NGSS.MS-PS4-2

(noun) - representation we use for explaining a phenomenon

(verb) - the practice we engage in as scientists to make sense of phenomena

• system

• model

• scattering

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS1-2

NGSS.MS-LS2-3

NGSS.MS-PS1-1

the nerve that carries messages from the retina to the brain

• retina

• iris

• optic nerve

a change in direction of motion because of a collision with another particle

• scattering

• transmitting

• reflecting

Tags

NGSS.MS-PS2-1

reflection off a smooth surface, like a mirror

• mirror

• specular reflection

• transmitted

Tags

NGSS.MS-PS4-2