Matter and Change

Which of the following is a chemical property of water?

• Reacts with pure sodium.
• Boils at 100 ^oC.
• Dissolves sugar easily. 
• Has a density of 1 gm/mL

Tags

NGSS.MS-PS1-4

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

• change in shape
• melting
• formation of a gas
• dissolving

Tags

NGSS.MS-PS1-2

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

• crumpled paper
• pencil sharpening
• shrunken clothing
• sour milk

Tags

NGSS.MS-PS1-2

Which is a physical change?

• burning match 
• vinegar in baking soda 
• melting butter
• cooking an egg

Tags

NGSS.MS-PS1-4

Which form of matter does not take the shape of its container?

• liquid
• gas
• solid
• air

Tags

NGSS.5-PS1-3

How is a gas defined?

• Indefinite shape, indefinite volume
• Definite shape, definite volume
• Found in stars
• Definite volume, indefinite shape

Particles of a liquid

• are tightly packed together and stay in a fixed position.
• have no viscosity.
• decrease in volume with increasing temperature.
• are free to move around one another but still touch.

Tags

NGSS.MS-PS1-4

Particles (molecules) in a ______________________ have more energy than the other states of matter.

• gas
• solid
• liquid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which state of matter has the lowest compressibility?

• Solid
• Liquid
• Gas
• Plasma

Define a liquid.

• Indefinite shape, indefinite volume
• Definite shape, definite volume
• Found in stars
• Definite volume, indefinite shape