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5-PS1-4 Chemical Change

Quiz by leilani

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17 questions
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  • Q1
    ***Martin's father cooked an egg for breakfast. After he had cooked the egg, the egg material
    Question Image
    D. was a new material with different characteristics.
    B. was the same except it was frozen solid.
    A. had the same characteristics except shape.
    C. was the same except it was warmer.
    120s
  • Q2
    ***Kevin's science class did an experiment using baking soda, vinegar, a red balloon, and a flask. First,they filled the flask with vinegar and poured baking soda into the deflated balloon. Then, they placedthe balloon over the mouth of the flask, being careful not to let the baking soda fall into the vinegar.They observed that the balloon was still deflated. Next, the students held the balloon up and allowed the baking soda to fall into the flask and mix withthe vinegar. The mixture began to bubble, and the balloon began to inflate. Kevin thinks that a new substance must have been formed when the baking soda mixed with thevinegar. To help support this idea, Kevin makes several observations about the flask, the balloon, andthe substance inside the flask after the baking soda and vinegar were mixed. Which of these observations provides the best evidence that a new substance formed?
    Question Image
    B. The liquid in the flask is clear.
    D. The balloon is inflated.
    A. There is liquid in the flask.
    C. The balloon is red.
    120s
  • Q3

    ***Alyssa did a scientific investigation to see what happened when she mixed different substancestogether in four separate clear glass bowls. The table below lists the substances that Alyssa mixedtogether. The table also describes Alyssa's observations about what happened when she mixed eachpair of substances together. Based on Alyssa's observations, mixing which of the following substances resulted in the formation of anew substance? Based on Alyssa's observations, mixing which of the following substances resulted in the formation of a new substance? 

    A. sand and water

    B. warm milk and vinegar

    C. antacid tablet and water

    D. salt and sugar

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    B and C
    B and D
    A and D
    A and C
    120s
  • Q4
    Two solutions are added together and the new solution becomes hot. This tells you that
    B. the solutions are not soluble.
    D. a gas is being produced.
    A. a chemical change is taking place.
    C. the physical properties are the same.
    120s
  • Q5
    What happens when two or more substances mix together?
    C. The mixture will always be the same color as the original substances.
    B. The mixture will always be in a different state of matter than the original substances.
    D. The properties of the mixture will always have the same properties as the original substances.
    A. The properties of the mixture may be different from those of the original substances.
    120s
  • Q6
    Katie and her dad gather ingredients to make pancakes. Then they follow the following six steps. 1. Mix the ingredients together in a bowl. 2. Add a spoon of pancake mix to a hot pan. 3. See that bubbles start to form and the pancake starts to harden. 4. Wait until the bubbles stop forming. 5. Flip the pancake so the other side can darken and harden. 6. Serve the pancake on a plate. Which three steps in the process best show that new substances are created when making pancakes?
    C. steps 1, 4, and 6
    D. steps 2, 3, and 6
    B. steps 3, 4, and 5
    A. steps 1, 2, and 5
    120s
  • Q7
    When solid baking soda mixes with liquid vinegar, the mixture starts to bubble and spatter. The bubblesshow that the mixture creates a new material, which is a gas. What is true about the new material?
    B. It is very different from the baking soda and vinegar.
    D. It is the same as the baking soda and vinegar.
    A. It is mostly like the vinegar.
    C. It is mostly like the baking soda.
    120s
  • Q8
    ***Fred cracks an egg into a frying pan on a stove. At first, the egg white is clear and runny around theyellow yolk, as shown in image 1. Then, Fred's dad turns the stove on. As the frying pan heats up, theegg white starts turning white and rubbery, as shown in image 2. Which observation best shows that new substances are created when frying an egg?
    Question Image
    D. The egg white changes state from a liquid to a solid when it is heated.
    B. The egg white changes color from clear to white as the egg is heated.
    A. The temperature of the egg increases as the egg is heated.
    C. The particles that make up the egg move faster as the egg is heated.
    120s
  • Q9
    ****A scientist had two substances. One was a yellow liquid. The other was a colorless liquid. The scientist added a few drops of the yellow liquid to the colorless liquid. A red solid formed. What most likely happened when the scientist mixed the two liquids?
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    D. A new substance with properties identical to the colorless liquid was formed.
    A. The two substances stayed the same and no new substances were formed.
    B. A new substance with properties different from either of the liquids was formed.
    C. A new substance with properties identical to the yellow liquid was formed.
    120s
  • Q10
    ****Samantha and her mom gather ingredients to bake a cake. They mix them together in a bowl. Then,Samantha's mom turns on the oven. Afterward, Samantha adds the cake mixture to a baking pan, asshown in image 1. Samantha's mom places the baking pan in the hot oven to bake. The cake mixturebecame darker after being heated, as shown in image 2. The cake also gave off a smell while it wasbaking that was different from how the mixture had smelled. How can Samantha tell that some substances in the cake mixture changed to new substances?
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    A. The cake mixture increased in temperature when it was heated.
    D. The cake mixture darkened in color and it produced a different smell.
    B. The cake has the same mass as the cake mixture.
    C. The cake is made up of the same material as the cake mixture.
    120s
  • Q11
    Mary has two beakers. Beaker A contains a colorless liquid while beaker B contains a blue liquid. Maryadds a few drops of the blue liquid from beaker B into beaker A and observes that a pink solid isformed. What is the best conclusion that can be drawn from Mary’s beaker experiment?
    C. The substance from beaker B can be either blue or pink.
    D. The two substances combined to form a new substance.
    B. The temperature in beaker A decreased so that the substances froze.
    A. The substance from beaker A can be either colorless or pink.
    120s
  • Q12
    A student puts a certain solid into a container. He comes back the next day and looks at the container. Which of the following would most likely be a sign that a new substance has formed in the container?
    B. The solid has become completely liquid.
    A. The solid has become a different color.
    D. The solid has become a different shape.
    C. The solid has become a different size.
    120s
  • Q13
    *** Adrienne followed her science teacher's directions to mix four pairs of liquid substances. Adriennerecorded the color and temperature of each substance before they were mixed. She also recorded thenew color and temperature after mixing them. In which test was a new substance formed?
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    A. test 4
    B. test 2
    C. test 3
    D. test 1
    120s
  • Q14
    Sarah is making a strawberry banana smoothie. She combines one banana, five strawberries, and acup and a half of milk in a blender to make her smoothie. In the blender, the fruit is cut up into tinypieces and then turned into a liquid. No chemical change occurs.Which statement best describes the substances in the blender?
    A. The fruit now has different chemical properties.
    B. The milk now has different chemical properties.
    D. The substances did not change.
    C. A new substance was formed.
    120s
  • Q15
    ***Ralph leaves a pad of steel wool outside for several weeks. It rains and the steel wool gets wet. Rustforms on the steel wool, as show below. Which of the following best explains why the rust formed?
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    A. Rain water always forms rust whenever it lands on any kind of solid object.
    B. Some of the steel of the steel wool was turned into water when it rained.
    C. Some of the steel in the steel wool chemically reacted with the rain water.
    D. Steel wool always changes from steel to rust whenever it is over a week old.
    120s

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