Science T4 - pH Colours

 Aim:

I want to find out what the colours of pH are.

Research:

Method:

Equipment

• Test tube rack
• Test tubes
• Base - Sodium Hydroxide
• Acid - Hydrochloric acid
• Funnel
• Universal Indicator

Instructions

1. Get your equipment.
2. Place the test tube rack in front of you on a table, with the test tubes in their respective places.
3. Put 10 drops of Universal Indicator into each test tube.
4. Watch what happens to the color.

Results:

Discussion:

1. What is an acid?
An acid is a toxic substance that is used in many science experiments all over the world. If you pour it into water, it will make it red.