What Happens When Two Substances Are Mixed Together?

What is a mixture?

• A single substance

• A combination of two or more substances

• A chemical reaction

• A type of gas

What is a property in the context of substances?

• A type of mixture

• A scientific experiment

• Something you can observe about a substance

• A type of chemical reaction

Tags

NGSS.MS-PS1-2

What happens when you mix flour and vinegar?

• It becomes sweet

• It creates bubbles or fizzing

• It turns into a solid

• It changes color

Tags

NGSS.MS-PS1-2

What does adding food coloring to flour and water demonstrate?

• Mixing always leads to the same result

• Adding a small ingredient can make a big difference

• Flour cannot change color

• Water is not necessary for mixtures

What is the result of mixing flour and water?

• It becomes a gas

• It turns thick and sticky

• It changes color

• It becomes sweet

Tags

NGSS.MS-PS1-2

What do scientists do to learn about how materials interact?

• Ignore changes

• Observe and experiment

• Only read books

• Avoid mixing substances

Tags

NGSS.MS-PS1-2

What is an example of a substance mentioned in the text?

• Air

• Light

• Flour

• Sound

Tags

NGSS.MS-PS1-4

What does the text suggest about mixing substances?

• It always creates a new substance

• It never changes the properties

• It can lead to different results

• It is always dangerous

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the texture of the mixture of flour and vinegar?

• Smooth and creamy

• Gritty or watery

• Hard and solid

• Soft and fluffy

What is the smell of vinegar described as?

• Sweet

• Sour

• Bitter

• Salty