Mixtures and reactions T3

A mixture is ?

• something that goes with an object

• parts of a system

• two or more things added together

Tags

NGSS.5-PS1-4

What happened when we added calcium carbonate to the water?

• it dissolved

• it sank to the bottom

• it was suspended in the water

Tags

NGSS.MS-PS1-2

What happened when we added salt to the water?

• it dissolved

• it sank to the bottom

• it was suspended in the water

Tags

NGSS.MS-PS1-2

What kind of gas did the vinegar and baking soda create?

• carbon monoxide

• helium

• carbon dioxide

Tags

NGSS.MS-PS1-2

A physical reaction is when ?

• two or more materials are mixed and change how they look

• two or more materials are mixed and become something new

A chemical reaction is when ?

• two or more materials are mixed and change how they look

• two or more materials are mixed and become something new

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

When a solid material dissolves into a liquid it is special mixture called?

• dissolve

• suspend

• solution

Which are examples of physical changes?(change the way is looks)

• crushing a can

• baking

• melting ice

How can you determine if something is a mixture?

Which are examples of chemical reactions?

• baking a cake

• changing your clothes

• eating food

• running a race

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5