Science Quiz

What is matter?

• Anything that takes up space and has weight

• A type of energy

• A form of light

• A solid substance

What is the smallest piece of a substance that retains all its qualities?

• Cell

• Atom

• Molecule

• Particle

What is gravity?

• A force that repels objects

• A force that pushes objects away

• A force that pulls objects toward the center of the Earth

• A force that attracts light

What two elements make up a water molecule?

• Oxygen and Nitrogen

• Oxygen and Hydrogen

• Hydrogen and Helium

• Oxygen and Carbon

How are molecules arranged in solids?

• Spread apart

• Close together

• In a random pattern

• In a circular pattern

What state of matter has molecules that are far apart and move rapidly?

• Solid

• Liquid

• Gas

• Plasma

What is true about many gases?

• They are visible

• They are colorful

• They compose air and are colorless

• They are very dense

What happens when solids are heated?

• The molecules move more slowly

• The molecules stay the same

• The molecules move more rapidly

• The molecules become solidified

What is the boiling point of water in Celsius?

• 0°C

• 50°C

• 100°C

• 212°C

At what temperature does water change into ice?

• 100°C

• 50°C

• 0°C

• -5°C