Separation techniques
Which separation technique is most commonly used to separate the various pigments in ink?
Chromatography
In which state of matter are particles packed closely together and vibrate in place?
Solid
Which continent is Egypt located on?
Africa
Which planet is known as the Red Planet?
Mars
What force pulls objects toward Earth?
Gravity
You accidentally drop some sand into a bucket of water. What separation technique would you use to remove the sand?
Filtration
Which state of matter takes the shape of its container but keeps the same volume?
Liquid
What is the largest country in the world by area?
Russia
Who wrote the famous play "Romeo and Juliet?"
William Shakespear
What is the process by which plants make their own food using sunlight?
Photosynthesis
A mixture contains iron filings and sand. What technique can be used to separate the iron?
Magnetic separation
Which state of matter has particles that move freely and spread out to fill any container?
Gas
What is the largest ocean on Earth?
Pacific Ocean
How many colored rings does the Olympic flag have?
5
What is the process called when a caterpillar turns into a butterfly?
Metamorphosis
Seawater contains dissolved salt. If you want to collect the salt, what separation technique should you use?
Evapouration
What happens to particles when a substance is heated?
They gain energy and move faster.
On what continent would you find the world’s largest desert?
Antarctica
What year did the first iPhone come out?
2007
How many bones do adult humans have?
206
Why can't filtration separate saltwater into salt and water?
Because the salt particles are dissolved and pass through the filter paper.
Explain why gases are easier to compress than solids.
Because gas particles are far apart with lots of empty space between them.
What is the smallest country in the world?
Vatican City
What year was St Columban's founded?
1928
What is the largest organ in the human body?
The skin