Chemical Tests 7-9

a chocolate bar melts while inside a car on a hot summer day

• chemical reaction

• physical change

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

your best friend buys you a brand new soccer ball, and you pump air into it

• chemical reaction

• physical change

your dad is cooking fried eggs for breakfast

• chemical reaction

• physical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS1-5

you leave your bicycle outside for several months, and now there are rust spots on it

• chemical reaction

• physical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

the ice in your cup of water melted

• chemical reaction

• physical change

Tags

NGSS.MS-PS1-4

it’s the 4th of July, and you are watching the fireworks explode in the sky

• chemical reaction

• physical change

Tags

NGSS.MS-PS1-2

two or more chemicals make a completely different chemical

• chemical reaction

• control

• variable

• indicator

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

part of the experiment that stays the same

• chemical reaction

• control

• variable

• indicator

part of the experiment that changes

• chemical reaction

• control

• variable

• indicator

chemical used to detect the presence of another substance in a sample

• chemical reaction

• control

• variable

• indicator