Bricks Reading 240-1 Nonfiction Unit 6

What is the passage mainly about?

• how to make a bubbly drink

• about carbon dioxide and global warming

• how plants make oxygen

• how to make bubbles in ice water

What is NOT needed to make fizzy water?

• salt

• baking soda

• water

• citric acid

The reading skill we can learn through the passage of unit 6 is ___.

• Cause and Effect

• Sequence

• Main idea and details

• Classify and Categorize

Fill in the blank with the best option.
Add 1 teaspoon of citric acid to a cup of water and stir until it ___ in the water.

• dissolves

• experiments

• escapes

• bubbles

Choose two.

What are the two key ingredients to make the water bubble?

• sugar

• flavorings

• acid

• soda

Fill in the blank with the best option.

When they mix together, it causes an instant ___ that produces gas bubbles.

• happening

• situation

• reaction

• experience

What is the correct way of writing carbon dioxide in scientific way?

• CO₂

• O₂

• H₂O

• NaCl

What is needed when we try to dissolve carbon dioxide gas in to a can of soda?

• high pressure

• high sugar

• vacuum chamber

• high temperature

Choose the best option for the blank.

Citric acid gives foods and drinks ___.

• a sour taste

• bubbles

• sweetness

• flavoring

Choose the wrong definition of "instant".

• immediate

• quick

• fast

• past