Separating/Filtering Learning Check

What is a mixture?

• a substance with two or more things mixed together

• one material

• a solid

• a filter

How do you separate a mixture with a sieve?

• all materials must be big enough to not pass through

• one material must be a liquid

• Both materials must be small enough to pass through

• To separate a mixture with a sieve one material must be small enough to pass through the sieve and one must be big enough to not pass through

What does separate mean?

• To combine materials together

• To take two insoluble objects and move them apart

• To heat objects up

• To add more materials to a mixture

What is an example of filtering?

• Making coffee

• combining rocks and sand

• moving rocks around

• adding water to a mixture

Why is filtration important today?

• To mix things up

• So we can have clean drinking water

• So we can eat food

What are some materials we can use to filter dirty water?

What does insoluble mean?

• A solid that does not dissolve

• A solid that can dissolve into a liquid

• different materials

• to fitler