Science playlist

Science playlist

Entry Ticket

Multiple Choice

Which of the following is a compound?

• coke

• salt water

• hydrogen

• carbon dioxide

Compound

recall that compound are substances that are chemically joined together. They usually have names that contain element(S)

Multiple Choice

Which of the following is a mixture

• ozone (O3)

• nitrogen gas (N2)

• water (H20)

• sand and water

Mixture

recall that mixture are a mix of substances not chemically joined together. They can also be separated quite easily through some methods we will be learning in chapter 4

Separating Mixtures

In the next few slides/videos, we will learn the various seperation techniques. To start of, watch this video on an overview of separation techniques.

Separation Methods

• Filtration

• Evaporation

• Magnetic Separation

• For today, we will be focusing just on filtration

Filtration

The main aim of filtration is to separate the solution into its various components. Watch the next 2 videos to see how filtration works and how it helped safe a city!

Multiple Choice

In the last video, how do you think filtration helped the process?

• it helped to separate the solid from the liquid

• it helped to burn away the bacteria in the liquid

Multiple Select

Where can we find filtration at work? (multiple choice)

• kidney

• water plants

• cooking

• coffee