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- 1. Multiple ChoiceStudents observe a bowl of ice cream during an experiment. After a few minutes, the solid ice cream begins changing into a liquid. What most likely causes this change?The temperature of the ice cream increases.The temperature of the ice cream decreases.The temperature of the ice cream stays the same.The temperature of the ice cream increases and then decreases.
- 2. Multiple ChoiceStudents are investigating what happens to water as it is heated. Below are the steps of the investigation.
1. Pour the same amount of water into two identical cups.
2. Draw a line on each cup to show the amount of water in the cup.
3. Put plastic wrap over 1 cup and leave the other cup open.
4. Put both cups in a sunny place.
5. Observe the cups for 3 days.
What is the variable in this experiment?The same amount of water in both cups.Using two cups that are the same size.Placing the cups in different temperatures.One cup is covered and the other cup is uncovered. - 3. Multiple ChoiceMelted butter is a liquid. If melted butter is put into the freezer it will become a solid. What causes the butter to change states?meltingevaporatingcoolingpressure
- 4. Multiple ChoiceThe directions to make cherry gelatin are shown below.
1. Boil 1 cup water and pour into a bowl
2. Empty the contents of gelatin into the bowl
3. Stir until dissolved
4. Place bowl in refrigerator for a few hours
During which step in thee recipe will a liquid change into a gas?Step 1Step 2Step 3Step 4 - 5. Multiple ChoiceWhich statement best fits in the third box?
1. Water is poured into a pot and heated.
2. The temperature rises to 100 degrees Celsius.
3. ???Liquid water cools.Liquid water turns into water vapor.Liquid water turns into a solid.Liquid water begins to freeze. - 6. Multiple Choice
The diagram below shows a hot air balloon and its three essential parts.
Which answer choice best explains the purpose of the burner on a hot air balloon?When air is heated it expands and keeps the balloon afloat.When air is heated it contracts and keeps the balloon afloat.When air is heated it produces helium.When air is heated it produces wind. - 7. Multiple ChoiceThe ice blocks are shown below.
If the two blocks are set out on a table, which result would be the same for both of them?The total mass for both ice blocks.The total volume for both ice blocks.The temperature at which both ice blocks melt.The time it takes each ice block to melt. - 8. Multiple ChoiceThe chart below shows changes in states of matter caused by heating and cooling.
Students are asked to use their knowledge in science to fill in the arrow with the question mark. Which answer choice best completes the chart?coolingfreezingmeltingevaporation - 9. Multiple ChoiceIcicles start out as liquid water droplets and then turn into solid ice. What causes a liquid to change into a solid?Heat is added.Heat is taken away.Heat is produced.Heat is frozen.
- 10. Multiple ChoiceAll of the examples below show a change in the state of matter caused by heating EXCEPT -A piece of chocolate softens in the sun.A puddle of water evaporates.Water turns into an ice cube.Water turns into water vapor.
- Answer choicesTagsAnswer choicesTags