Properties of Matter

Why is orange juice a liquid and not a solid?

• it has a bright color

• it takes the shape of its container

• you cannot weigh it on a scale

• its molecules are more tightly packed than a solid

Tags

NGSS.MS-PS1-4

How does salt change when it is added to a soup?

• the taste of the salt changes

• the mass of the salt changes

• the grain size of the salt changes

• the salt disappears

Tags

NGSS.MS-PS1-2

why does a cork float while a rock sinks when placed in water?

• they are different states of matter

• they are different sizes

• they have different densities

• they have different shapes

why would it be important to have plastic at the end of a curling iron?

• because it is soluble in water

• because it insulates thermal energy

• because it conducts electrical energy

• because it emits magnetic energy

Tags

NGSS.MS-PS3-3

Which of the following properties does a penny have?

• mass= 10g

• Floats in water

• magnetic

• conducts electricity

Most materials classified as magnetic can also be classified as:

• able to float in water

• insulators

• liquids

• metals

Tags

NGSS.MS-PS2-5

Why would you use a wooden spoon to stir hot soup?

• it is able to float in the soup

• it is able to sink in the soup

• it is a good conductor of thermal energy

• it is a good insulator of thermal energy

if the containers are A B C:

which of the containers contains a solid?

• A

• B

• C

Tags

NGSS.MS-PS1-4

when marbles sink to the bottom of a beaker of water, it demonstrates:

• marbles are solids and more dense than water

• marbles are not soluble in water and less dense than water

• Marbles are good conductors of energy

what occurs with the physical properties of sugar when it is mixed with water?

• it no longer tastes sweet

• the sugar dissolves

• the sugar evaportates

• the physical properties do not change

Tags

NGSS.MS-PS1-2