Science Week Matter

In a laboratory, a sealed container with 100g of steam (gas) is cooled until all the steam (gas) becomes a liquid. The container is then cooled further until all the water becomes a solid. Which of the following remains constant during both of these changes?

(6.P.2.2/6.P.2.3)

• the mass of the water

• the pressure in the container

• the total energy of the water

• the position of the atoms in the container

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-5

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Julie had four bottles. She wanted to know which bottle could hold the most water. Julie found the mass of each bottle when it was empty. Then she found the mass of each bottle when it was full of water. She recorded the following results. (Science Processes)

Which bottle held the most water?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-2

Which substance has a definite shape and a definite volume? (6.P.2.2)

• liquid

• solid

• gas

• plasma

What is the smallest unit of an element that shares the element’s properties? (6.P.2.1)

• molecule

• cell

• atom

• compound

Density depends on ___________________. (6.P.2.3)

• weight

• mass

• mass and volume

• volume

Mass is a(n) __________________ property. (6.P.2.3)

• natural

• chemical

• electrical

• physical

The temperature at which a liquid becomes a gas is the ______________ point. (6.P.2.3)

• freezing

• boiling

• condensation

• melting

Tags

NGSS.MS-PS1-4

All atoms of the same ___________ have the same properties. (6.P.2.1)

• elements

• compounds

• mixtures

• chemicals

Compared to gases, liquids are not easily compressed because particles of a liquid

___________________________. (6.P.2.2)

• are closer together

• are moving faster

• have more kinetic energy

• have a crystal structure

In which phase of matter are the molecules of a substance farthest apart from each other?

(6.P.2.2)

• solid

• liquid

• gas

• crystal