Exploring Phases and Classifications of Matter

Which state of matter has a definite shape and cannot be compressed?

• Solid

• Liquid

• Gas

• Plasma

What happens to a liquid in zero gravity?

• It evaporates

• It forms a spherical shape

• It takes the shape of its container

• It forms a flat surface

Which state of matter is ionized and can be compressed?

• Solid

• Liquid

• Gas

• Plasma

What is the force that gravity exerts on an object called?

• Volume

• Weight

• Mass

• Density

According to the law of conservation of matter, what happens to the total quantity of matter during a chemical change?

• It decreases

• It increases

• It becomes undetectable

• It remains the same

What type of mixture has a uniform composition and appears visually the same throughout?

• Heterogeneous mixture

• Element

• Homogeneous mixture

• Compound

What is the smallest particle of an element that retains the properties of that element?

• Atom

• Molecule

• Compound

• Mixture

Which of the following is an example of a physical change?

• Cooking food

• Melting wax

• Rusting iron

• Burning wood

Which property does not depend on the amount of matter present?

• Mass

• Heat

• Volume

• Density

What does a hazard diamond indicate?

• The health, fire, and reactivity hazards of a substance

• The chemical composition of a substance

• The temperature and pressure conditions of a substance

• The physical state of a substance