Mixtures and Solutions

What is a mixture?

• A combination of two or more substances that can't be easily separated.

• A combination of two or more substances that can be easily separated.

Tags

NGSS.5-PS1-4

NGSS.5-PS1-3

Why is trail mix considered a mixture?

• The particles are very small.

• The trail mix can be put together easily.

• Each parts keeps its own properties.

• All the colors and flavors fit well together.

Tags

NGSS.5-PS1-4

What is a solution?

• A combination of two or more substances that can't be easily separated.

• A combination of two or more substances that can be easily separated.

Tags

NGSS.5-PS1-4

Which is an example of a solution?

• Salt and Sugar

• Salt Water

• Jelly beans

• Concrete

Tags

NGSS.5-PS1-4

What can you do to separate salt from water?

• Add aditional water.

• Take some water out.

• Let it stand in the sun for a while.

• Decrease the temperature of the water.

Tags

NGSS.3-5-ETS1-2

What is the best way to get salt to dissolve into water?

• Stir the solution.

• Leave the solution alone.

• Pour out the solution.

Tags

NGSS.5-PS1-4

How can you prevent a conatiner of ocean water from becoming a pile of salt?

• Add more plain water.

• Increase the temperature of the water in the conatiner.

• Separate the water into different containers.

• Cover the container to prevent evaporation.

Tags

NGSS.3-5-ETS1-1

Pick all of the physical properties of a rubber band:

• Elasticity

• Reflectivity

• Oval Shape

• Conductivity

Tags

NGSS.5-PS1-3

Which phrase describes a physical change?

• Cake baking

• Torn paper

• Gas bubbles rising after chemicals together

• The smell of food rotting

Tags

NGSS.5-PS1-4

Changing from a solid to liquid to a gas is an example of a _____________ change. This is a type of physical change.

• energy

• paticle

• chemical

• phase

Tags

NGSS.MS-PS1-4