1st 9 Weeks Exam Review - Science

Which state or states of matter take(s) the shape of its container?

• solid

• liquid

• gas

Which mixture could you separate by adding water and then pouring through a coffee filter?

• sand and salt

• baking soda and salt

• sugar and salt

• iron filings and sand

Which mixture could you separate by using a magnet?

• sand and salt

• baking soda and salt

• sugar and salt

• iron filings and sand

True or false: An inflated balloon has less mass than a marble.

• true

• false

True or false: A basketball sized balloon filled with air has more density than a basketball sized balloon filled with sand.

• true

• false

True or false: A marble has more density than an inflated balloon.

• true

• false

True or false: Objects with low density tend to sink more quickly than those with high density.

• true

• false

True or false: If two balls are placed in a tank of water, the ball with the most density will sink faster.

• true

• false

True or false: The more dense an object is, the lower its mass will be.

• true

• false

Which statement is true?

• W & X are more dense than water

• W & Y are less dense than water

• X & Z are less dense than water

• Y & Z are more dense than water