Spiral 2: Physical Science

The fact that matter is neither created nor destroyed in any chemical or physical change is called the

• law of exothermic change
• law of endothermic change
• law of thermal matter
• law of conservation of mass

A ___________ change is a change in which energy is released.

• endothermic change
• exothermic change
• chemical change
• physical change

Which of the following is NOT a physical change?

• glass breaking
• iron rusting
• ice melting
• sugar dissolving

Which of the following is NOT a chemical change?

• leaves turning color
• fruit ripening
• silver tarnishing
• food coloring dissolving in water

What is the SI unit of mass?

• milliliter
• kilogram
• pound
• cubic centimeter

The density of a substance is calculated by

• dividing its volume by its mass
• dividing its mass by its volume
• multiplying volume times its mass
• subtracting its volume from its mass

Guacamole is an example of a

• homogeneous mixture
• heterogeneous mixture
• compound mixture
• chemical mixture

A(n) ______________ is the basic particle from which all elements are made.

• element
• compound
• molecule
• atom

Which of the following is not a method used to separate mixtures?

• Filtration
• Magnetic Attraction
• Oxidation
• Distillation

An object’s _____________ is less on the moon than on Earth. On the moon, the object’s _________ remains the same (constant).

• Weight; Mass
• Mass; Weight
• Gravitational Pull; Weight
• Mass; Gravitational Pull