Unit 2 Review

Ms. Mag was given four different weights of different sizes & different masses. She's SUPER strong and lifted the block with the greatest mass over her head. Which of the four weights did Ms. Mag lift over her head to win the Strongest Teacher ?

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Solutions are a type of mixture and share many similarities with other mixtures. One way that solutions may DIFFER from mixtures is--

• Solutions are not easily separated, while other mixtures are easily separated.

• Solutions may change their physical properties, while other mixtures keep their physical properties.

• Solutions form new substances while other mixtures do not form new substances.

• Solutions are a mixture of only two substances, while mixtures can mix 3 or more substances.

Mrs. Adams organized a list of items for the class fieldtrip. She brought...

Trail Mix, mixed nuts, Salad with lots of vegetables & and lemonade. Which item would be considered as a solution?

• Trail Mix

• Mixed Nuts

• Lemonade

• Green Salad

Daniel observed several samples of materials mixed together in glass beakers. Which of the following samples is a solution?

• Soil mixed with pebbles

• collection of wooden and metal buttons

• Sugar stirred with hot

• sand combined with water

A container with ice in it was left in a warm room. After three hours, what has most likely happened to the ice? The ice has -

• increased in size.

• turned to a gas.

• melted to a liquid.

• gotten colder.

Students used a Celsius thermometer to measure the temperature of a sample of water. What is the temperature of the water sample in degrees Celsius?

• 24

• 25

• 29

• 31

Two beakers of water were placed on a table with thermometers and left to stand for an hour. Based on the results shown, it can be concluded that the two samples of water are different in terms of their -

• state of matter

• mass

• volume

• temperature

The table shows the number of paperclips four different magnets were able to lift, according to the data, which magnet was the strongest?

• Magnet 1

• Magnet 2

• Magnet 3

• Magnet 4

Which substance best completes the table above?

• chocolate Milk

• steam

• clouds

• block

Tags

NGSS.MS-PS1-4

All of the items in the picture are mixtures. Which of the following is true of each mixture.

• Each mixture is also a solution.

• Each mixture has a part that dissolves.

• Each mixture can be separated physically.

• Each mixture has the same properties.