Science Quiz

What are the building blocks of all matter?

• Forces

• Atoms

• Magnetic fields

• Kinetic and potential energy

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What happens when the data in an investigation do not support the original hypothesis?

• The scientist gives up and starts investigation on a new topic

• The data must be incorrect and are thrown out

• The hypothesis will be revised

• The data are altered so that they support the original hypothesis

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Why are scientific models important?

• They prove scientific theories

• They help visualize things that are very complex, very large, or very small

• They make it harder to understand things

• They never change

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Which of the following is an example of a safe laboratory procedure?

• Tying back long hair and loose clothing

• Eating or drinking from laboratory glassware

• Touching hot objects with your bare hands

• Testing an odor by directly inhaling the vapor

Approximately how many kelvins are equal to 60°F?

• 439

• 212

• 902

• 289

Water is a compound because it

• Can be broken down into hydrogen and oxygen

• Has a fixed composition

• Contains no pure substances

• Both a and b

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Which of the following has the highest viscosity?

• Corn syrup

• Milk

• Water

• Orange juice

A material that is malleable and conducts electricity is most likely

• Wood

• Ice

• A metal

• Motor oil

Which of the following is a physical change?

• Sawing a piece of wood in half

• Burning a piece of wood

• Rust forming on an iron fence

• A copper roof changing color from red to green

Which of the following is evidence of a chemical change?

• Iron changes color when heated

• Gas bubbles form in boiling water

• Balls of wax form when melted wax is poured into ice water

• A gas forms when vinegar and baking soda are mixed

Tags

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