SNC1L/2L Quiz #2

In an experiment, the 'controlled variable' is the variable that...

• changes as a result (amount of water collected)

• is kept the same (size of paper towel, amount of water used, time we waited)

• is purposely changed (brand of paper towel)

• is watched closely (paper towel, water, beaker etc.)

Answer explanation

To have a 'fair test', we only changed one thing - the BRAND of paper towel. We kept the other things the SAME: size of paper towel, amount of water etc. They were CONTROLLED.

What is usually the LARGEST writing on a label?

• the ingredients

• the directions

• the brand name

• the product name

Answer explanation

The product name!

What will you find more of in this drink?

• caffeine

• concentrated orange juice

• sugar

• sodium citrate

Answer explanation

Fructose is sugar! Fructose is higher on the list of ingredients, so there is more of that in the product.

The main ingredient used in this product is

Answer explanation

The first ingredient on the list is always the MAIN ingredient

What is true about this product?

• There is more onion powder than vinegar.

• There is more salt than sugar.

• There is more sugar than vinegar.

• There is more sugar than salt.

'Bleach' is

• the common name

• the chemical name

• the brand name

• the no name

Sodium bicarbonate is

• The brand name

• The chemical name

• The common name

• salt

Answer explanation

Look at bottom to see what baking soda is.

'Advil' is the

• chemical name

• brand name

• common name

• Tylenol

Which of these is a correct match?

• pencil 'lead' = graphite

• table salt = sodium chloride

• antifreeze = ethylene glycol

• sugar = sucrose

Which element has the symbol C?

• Carbon

• Hydrogen

• Plutonium

• Xenon

Answer explanation