You Be The Chemist Challenge Practice

The scientific method does not contain which of these steps?

• Observation

• Research

• Inquiry

• Experiment

Observations can be made with what?

• Barometer

• Gyrograph

• Telephone

• Tongue

Which of these is the most reliable?

• Your friend's essay

• A 2004 encyclopedia

• A repeatedly updating online science journal

• You

A hypothesis must be

• correct.

• a guess.

• researched.

• testable.

How many factors should you test in an experiment?

• Exactly one

• At least one

• At most one

• As many as you want

What can 25, yellow, 36 cm, and 140 kilojoules all be described as?

• Quantitative

• Qualitative

• Data

• Measurements

Ash thinks that oil helps water boil faster. His conclusion said he was invalid. What could his result have been?

• Oil helps water boil slower

• Water boils faster with salt

• Oil doesn't help water boil faster

• Oil is slippery

Which of the following is the smallest possible amount of independent variables one can have in an experiment?

• 0

• 1

• 2

• As many as they want

John wants to see if red light is hotter than blue light. Which of these should not be a controlled variable?

• Color of light

• Lamp brand

• Bulb brand

• Amount of electricity the power outlet is supplying

What can you determine from this image?

• As temperature increases, so does density.

• As temperature decreases, density increases.

• As temperature stays the same, density increases.

• Nothing