Chapter 3 Review MS Science

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

• • • • A. Tarnishing B. Rusting C. Burning D. Melting melting

Which of the following is a sign that a chemical change has occurred?

• • • • A. Smoke B. Broken pieces C. Change in shape D. Change in state smoke

When iron reacts with oxygen, what substance is produced?

• • • • A. Tarnish B. Rust C. Patina D. Ashes rust

What statement describes the physical property of density?

• • • • A. The distance between two points B. How light is reflected from an object’s surface C. The amount of mass in a given volume D. The amount of space an object takes up the amount of mass in a given volume

Which of the choices below describes a boiling point?

• • • • A. A chemical property B. A chemical change C. A physical property D. A color change a physical property

• • • • Which property is described by the ability of metals to be hammered into sheets?

A. Mass B. Density C. Volume D. Malleability malleability

Which of these is a chemical property?

• • • • A. Size B. Density C. Flammability D. Volume flammability

Which describes what volume is?

• • • • A. The area of a square B. The amount of space an object takes up C. The distance between two points D. The temperature at which boiling begins the amount of space an object takes up

What kind of change results in a new substance being produced?

• • • • A. Chemical B. Mass C. Physical D. Change of state chemical

What is conserved during any change?

• • • • A. Color B. Volume C. Identity D. Mass mass

• • • • A change in the identity of a substance that cannot be reversed by physical means is an example of a __?

A. Physical change B. Chemical change C. Phase change D. None of the above chemical change

_____ is anything that has mass and takes up space.

• • • • A. Volume B. Density C. Length D. Matter matter

The temperature at which a substance changes from a liquid to a gas is called the ________.

• • • • A. Melting point B. Boiling point C. Freezing point D. Gas point boiling point

A characteristic that determines how a substance will react is called a _____.

• • • • A. Chemical property B. Flammability C. Physical property D. Phase change chemical property

A characteristic that can be observed and measured is called a ________> A. Chemical property B. Flammability C. Physical property D. Mass physical property

_____ is defined as mass per unit volume.

• • • • A. Mass B. Density C. Volume D. Grams density

. A process that does not change the identity of a substance is called a ________________________.

• • • • A. Physical property B. Chemical property C. Physical change D. Chemical change physical change

Solid, liquid, gas and plasma are the four ___________.

• • • • A. States of chemicals B. States of matter C. The United States D. Mass states states of matter

The temperature at which a solid becomes a liquid is called the ______ • • • • A. Melting point B. Boiling point C. Freezing point D. Condensation point melting point

The Law that states that matter cannot be created or destroyed is the _____________.

• • • • A. Law of mass B. Law of conservation of energy C. Law of states D. Law of Conservation of Mass Law of Conservation of Mass

An object that sinks when placed in a beaker of water is _______ water.

• • • • A. More dense than B. Has the same density of C. Less dense than D. None of the above more dense than

What is conserved during any change?

• • • • A. Volume B. Shape C. Mass D. Temperature Mass

• Find the density of an object that has a mass of 60.0 g and a volume of 20.0 ml. Density = mass / volume Density = 60.0g / 20.0 ml = 3 g/ml

Classify as either a chemical or physical change.

Wood burning chemical Popsicle melting physical Baking a cake chemical Breaking an egg physical Adding sugar to your lemonade physical