7th Grade XS End of Book Test Semester 2

Flammability and oxidation are examples of what kind of property?

• Chemical property

• Physical property

• Biological property

• Mechanical property

Physical properties that you can observe with your five senses that require no numerical value is called:

• qualitative properties

• qualification properties

• quantitative properties

• questionable properties

Hardness, luster, and malleability are examples of what kind of properties?

• Chemical properties

• Physical properties

• Biological properties

• Electrical properties

When measuring the temperature using a thermometer of an exothermic reaction the temperature will ______

• increase

• decrease

• remain constant

• fluctuate

Density, mass, and volume are examples of what kind of physical properties

• Questionable

• Qualitative

• Subjective

• Quantitative

Burning wood is an example of what kind of reaction

• neutral reaction

• exothermic reaction

• endothermic reaction

• exotic reaction

Photosynthesis is an example of what kind of reaction

• endothermic reaction

• exothermic reaction

This law states that energy is not created or destroyed only transferred.

• Newtons Law

• the law of conservation of mass

• the law of conservation of energy

• Charles Law

An endothermic reaction feels cold because it is absorbing heat from the surrounding environment.

• False

• True

Compounds or elements on the left side of the arrow in a chemical equation are called_____.

• Reactants

• Products

• Catalysts

• Solvents