India Day - Science Quiz

Turmeric is a natural indicator. On adding its paste to acid and base separately, which color is observed?

• yellow in both acid and base

• yellow in acid and red in the base

• Pink in acid and yellow in the base

• Red in acid and blue in the base.

Turmeric turns _______ in basic solution.

• Red

• Yellow

• Pink

• Blue

What are indicator used for?

• to add spice in food

• to check for a disease

• to check acidity and basicity in a solution

• to measure temperature

what does not let みず come out ?

• polymers of the plastic

• hardness of the bag

• softness of the bag

• none of these

does みず spill from your ziplock bag when you insert pencils in it?

• yes

• no

• maybe

can this activity be done by pen with it's cap?

• はい

• いいえ

Which of the following is correct about Surface Tension?

• It's a scalar quantity

• it is molecular phenomenal

• All of these

• None of these

Why does the pepper floats on water?

• it is less dense or lighter than the water

• its heavier than water

• it is in dark colour

• none of these

As we sometimes use sanitizer for cleaning our hands, so can we use sanitizer instead of soap in this activity?

• Yes

• No

• Maybe

How was the quiz? サイエンス が　すき　ですか？