Physical Properties

Which of the following best describes the shape of a solid object?

• It takes the shape of its container.

• It has a definite shape.

• It flows easily.

• It cannot be measured.

If you have a metal spoon, a plastic spoon, and a wooden spoon, which property would best help you classify them?

• Color

• Hardness

• Electrical conductivity

• Size

What is the main difference between atoms and molecules?

• Atoms are made of molecules.

• Molecules are made of atoms.

• Atoms and molecules are the same.

• Molecules are smaller than atoms.

A marble sinks when placed in water. What does this tell you about the marble’s density compared to water?

• The marble is less dense than water.

• The marble is more dense than water.

• The marble has the same density as water.

• The marble is not affected by density.

Which of the following is a basic physical property of an atom?

• Color

• Mass

• Smell

• Taste

You are given four powders: salt, sugar, sand, and baking soda. Which property would best help you classify them?

• Their color

• Their solubility in water

• Their shape

• Their temperature

Which of the following is NOT a property used to classify matter?

• Hardness

• Reflectivity

• Number of atoms

• Density

A student predicts that a coin will sink in water. What property of the coin is most likely the reason for this prediction?

• Its color

• Its density

• Its shape

• Its temperature

Which of the following best describes the movement of particles in a gas?

• They are tightly packed and vibrate in place.

• They slide past each other.

• They move freely and quickly in all directions.

• They do not move at all.

You are asked to design a vessel to carry marbles through water. Which step should you do first in the engineering design process?

• Build the vessel

• Define the problem

• Test the vessel

• Improve the vessel