Gr8 Science Review

It refers capability of being shaped or extended by hammering, forging, etc.

• conductivity

• luster

• malleability

• ductlity

Sugar dissolving in water is an example of a

• physical change

• chemical change

Which state of matter does NOT take the shape of its container?

• solids

• liquids

• gases

• plasma

Freezing of water is a chemical change.

• TRUE

• FALSE

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

• change in shape

• melting

• formation of a gas

• dissolving

A change in the size, shape, or state of matter.

• electron change

• chemical reaction

• chemical change

• physical change

Which of the following is NOT an example of a physical change?

• pencil sharpening

• crumpling paper

• sour milk

• shrunken clothing

Which describes chemical change?

• changes affecting the form of a chemical substance, but not its chemical composition.

• any change that results in the formation of new chemical substances. 

• change result from changing physical appearance of matter

• change that can be reversed

What would be the best way to measure the volume of a small rock?

• L x W x H with a ruler

• Put on triple beam balance

• Mass ÷ Volume

• Displacement method using graduated cylinder

Which state of matter has a fixed shape and volume and it's molecules move very slowly?

• Gas

• Solid

• Plasma

• Liquid