Bases
Water Pollution
Science
Equipment
Acids
Safety protection equipment
100
Bases act opposite to the way acids act and bases have a bitter taste, rather than sour like an acid.
What are bases?
100
Smoke particles in the air, cloudy swils of chemicals in a river.
What is a water pollution?
100
The florecnce flask is used for boiling liquids.
What is a florence flask used for?
100
Acids are dangerous to touch or taste because acids are special kinds of chemicals.
What are acids?
100
some jobs that require gloves ;ex.Food prep, health care, welding
What jobs require you to wear gloves?
200
A red litmus paper used on bases will turn the colour to blue.
If you use a red litmus paper on an acid what colour will the litmus paper change to?
200
Germs live and multiply in sewage.
what is a major source of water pollution?
200
You would use a wire gaze to spread the heat.
How would you spread heat over a beaker?
200
If you use any type of acid on a blue litmus paper, it will turn red.
What colour would acid make a blue litmus paper change to?
200
You need a respirotor for painting.
What other safety equipment is needed for painting?
300
A base feels slippery.
What does a base feel like?
300
Use less chemicals and eco- friendly supplies.
How can you help stop water pollution?
300
A motar and pestle.
What is used for grinding chemicals?
300
An acid tastes sour ; ex. lemon juice.
What does an acid taste like?
300
An apron.
What other safety protection is needed for food prep?
400
The pH range for bases is 7,1 - 14.
What is the pH range of a base?
400
We drink it, animals and plants also live in water.
Why is water pollution a major problem?
400
You would use a bunsen lighter to ignite gas.
How would ignite gas in a science room on a bunsen burner?
400
The chemical formula for citric acid is H3C6H5O7.
What is the chemical formula for citric acid?
400
You need to wear safety glasses so your eyes are protected from sharp objects.
Why do you need to wear safety glasses in woodshop and lawn care?
500
Some household bases ; Drain cleaner, baking soda and ammonia.
What are some bases you can find in a home?
500
The chemicals used to kill insects or to help grow plants seep into the ground water, which travels to lakes and rivers.
How does the pollution travel to lakes and rivers?
500
A petri dish.
What is used for a growing bacteria cultures?
500
some household acids(safe to use)ex. Vinegar,club soda, citrus fruits, plastics, fertilizers.
What are some acids you use in everyday life?
500
People wear boots at construction sites to protect their feet from heavy(falling) objects.
Why do people need boots for construction?
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