Science playlist
Presentation
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Physics, Chemistry, Biology
•
7th Grade
•
Practice Problem
•
Medium
Lloyd Goh
Used 6+ times
FREE Resource
9 Slides • 4 Questions
1
Science playlist
Entry Ticket
2
Multiple Choice
Which of the following is a compound?
coke
salt water
hydrogen
carbon dioxide
3
Compound
recall that compound are substances that are chemically joined together. They usually have names that contain element(S)
4
Multiple Choice
Which of the following is a mixture
ozone (O3)
nitrogen gas (N2)
water (H20)
sand and water
5
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
6
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.
7
8
Separation Methods
Filtration
Evaporation
Magnetic Separation
For today, we will be focusing just on filtration
9
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!
10
11
12
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
13
Multiple Select
Where can we find filtration at work? (multiple choice)
kidney
water plants
cooking
coffee
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