5th_Unit 2_Practice Test_2025

NAME: (FIRST-LAST )

Homeroom/Cohort

• 5A
• 5B
• 5C
• 5d
• 5E

QUESTION: 1 Review the image, what are some physical properties of both salt and sugar?

• A. Soft texture, yellow in color, and rusts quickly.
• B. White in color, hard in texture, and are solids.
• C. White in color, no smell, and are both toxic to taste.
• D. Octagon in size, white in color, strong smell that is toxic.

QUESTION: 2 Magnetism, solubility, shininess are examples of - - -?- - - - that help describe objects without changing their chemical composition.

• A. Materials.
• B. Weights.
• C. Physical properties.
• D. Solids.

QUESTION: 3 .To make sugar water for your hummingbird feeder, you dissolve 50 grams of sugar solute in 250 grams of water solvent. How much does the sugar water weigh?

• A. 200 grams.
• B. 300 grams.
• C. 250 grams.
• D. 50 grams.

QUESTION: 4 Which of the following explains why the mass of the ashes does not equal the mass of the wood before it was burned?

• A. The Law of Conservation of Mass is not true for chemical reactions / changes.
• B. Matter was destroyed as the wood burned.
• C. The wood must have been wet so it weighs less.
• D. Some of the products of burning wood must be gases like carbon dioxide that float away from the ashes.

QUESTION: 5 Monique performed an experiment and modeled it below. Was a new substance formed during this experiment? What kind of change occurred? Explain the model in detail below

• No new substance

  A Physical Change

  Sugar + Water = Sugar Water Solution

• No new substance

  A Chemical Change

  Sugar + Water = Sugar Water Solution

• A new substance

  A Physical Change

  Sugar + Water = Sugar Water Solution

• A new substance

  A Chemical change

  Sugar + Water = Sugar Water Solution

QUESTION: 6 Ezekiel drops a cup of baking soda into a glass container that has vinegar at the bottom of it. Then, he quickly puts a balloon on top of the container. What do you predict will happen to the balloon?

• A. The balloon will get bigger because it will become filled with gas particles that are too small to be seen.
• B. The balloon will get bigger because it will become filled with solid (baking soda) particles that are too small to be seen.
• C. The balloon will get bigger because it will become filled with liquid (vinegar) particles that are too small to be seen.
• D. The balloon will stay the same because it will not become filled with anything.

QUESTION 7: Solange performed an experiment and decided to make a model. Below is a model of experiment. Margo's experiment is an example of -----?----- (2 words) in which a ----?---- (2 words) was changed into a -----?----(2 words) .

• A. phase change - solid - liquid
• B. freezing point - liquid - solid
• C. color change - solid - quartz
• D. chemical change - liquid - syrup

QUESTION 8: Mylah made observations as she watched a candle burn. Use the data in the table below to help you answer the following questions . Which of Mylah’s observations would show that a burning candle is a chemical reaction?

• A. The wax starts to melt.
• B. The candle is white and made of wax and a wick.
• C. Time passes one minute at a time
• D. Black smoke is given off; hot gases are rising.