DOS Week of

Sept 10- 14

DOS Monday1. Which is one way liquid water is

different from water vapor? The particles of liquid water are

larger. The particles of water vapor are

farther apart. The particles of water vapor are

closer together. Liquid water loses mass when it

changes to water vapor.

DOS ~ Monday

2. Which of the following allow you to organize information according to a specific criteria?

ClassifyingDiagrammingGraphingMeasuring

DOS ~ Monday3. What is the biggest difference between water particles in liquid water and water particles in solid water? The particles have different

chemical compositions The particles in ice are vibrating in

place The particles move faster in ice The particles carry an opposite

electrical charge in ice than in water

DOS~Tuesday1. An atom is _____________(a.) The smallest part of an element(b.) A rock (c.) A science tool (d.) A book

DOS~Tuesday

2. If a box with the mass of 50 kg is added to the mass of an

airplane, now the total mass of the airplane would:

increase by 50 kgstays the same

decreased by 50 kgdecreased by 25 kg

DOS~Tuesday

3. Which of the following is an example of water changing states?

Building a snowmanmixing water and cooking oilwood burningsteam rising from a kettle

DOS~Wednesday1. Which statement about atoms is true? They are all the same. All substances are made of just

one kind. You can see them with your

eyes. They are too small to be seen

with an ordinary microscope.

DOS~Wednesday2. A particle made of two or more atoms is called a ___________. element molecule compound None of the above

DOS~Wednesday3. The diagram below shows iron, oxygen, and carbon dioxide. Which of these is a compound?a. Iron

b. Oxygen

c.Carbon Dioxide

Fe

Fe

O O

O OO C

O

O

O

C

O O

O C O

DOS~Thursday1. A substance having atoms of more than one element that are combined chemically is called a/an ___________. element molecule compound All of the above

DOS~Thursday2. What is ALL matter made of? atoms oxygen water wood

DOS~Thursday3. A substance having just one kind of atom is called a/an ____________. oxygen carbon water element