Observe and Record Changes - 5th Grade Science
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Which tool should you use to measure and record the temperature change during mixing?
Which tool should you use to measure and record the temperature change during mixing?
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Thermometer. Measures temperature precisely to detect heat changes in reactions.
Thermometer. Measures temperature precisely to detect heat changes in reactions.
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What is the term for the liquid that dissolves the solute in a solution?
What is the term for the liquid that dissolves the solute in a solution?
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Solvent. The dissolving medium, usually present in larger amounts.
Solvent. The dissolving medium, usually present in larger amounts.
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What is the best term for a mixture with visible different parts after mixing?
What is the best term for a mixture with visible different parts after mixing?
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Heterogeneous mixture. Different components remain distinct and can be seen separately.
Heterogeneous mixture. Different components remain distinct and can be seen separately.
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Which observation best shows that a substance has dissolved: clear liquid or visible particles?
Which observation best shows that a substance has dissolved: clear liquid or visible particles?
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Clear liquid. Dissolved particles are too small to see.
Clear liquid. Dissolved particles are too small to see.
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What is the term for a mixture that looks uniform throughout, even if it is not a pure substance?
What is the term for a mixture that looks uniform throughout, even if it is not a pure substance?
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Homogeneous mixture. All parts look the same, like saltwater or air.
Homogeneous mixture. All parts look the same, like saltwater or air.
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What tool is most appropriate to measure and record the temperature change during mixing?
What tool is most appropriate to measure and record the temperature change during mixing?
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Thermometer. Measures heat changes during mixing reactions.
Thermometer. Measures heat changes during mixing reactions.
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What is the term for a mixture in which one substance dissolves evenly in another?
What is the term for a mixture in which one substance dissolves evenly in another?
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Solution. Particles are evenly distributed and cannot be seen.
Solution. Particles are evenly distributed and cannot be seen.
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What is the name of the substance that gets dissolved when a solution forms?
What is the name of the substance that gets dissolved when a solution forms?
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Solute. The smaller amount that dissolves into the larger amount.
Solute. The smaller amount that dissolves into the larger amount.
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What is the term for a solid that forms and settles out of a liquid during a reaction?
What is the term for a solid that forms and settles out of a liquid during a reaction?
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Precipitate. Forms when dissolved substances react and become insoluble.
Precipitate. Forms when dissolved substances react and become insoluble.
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What is the term for a mixture that can be separated by filtering or settling?
What is the term for a mixture that can be separated by filtering or settling?
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Suspension. Particles settle out because they don't dissolve.
Suspension. Particles settle out because they don't dissolve.
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What is the term for a mixture with visible, different parts that are not evenly mixed?
What is the term for a mixture with visible, different parts that are not evenly mixed?
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Heterogeneous mixture. Components remain separate and can be distinguished.
Heterogeneous mixture. Components remain separate and can be distinguished.
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What tool is most appropriate to measure and record the volume of a liquid before and after mixing?
What tool is most appropriate to measure and record the volume of a liquid before and after mixing?
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Graduated cylinder. Has marked lines to measure liquid amounts precisely.
Graduated cylinder. Has marked lines to measure liquid amounts precisely.
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What is the name of the substance that does the dissolving in a solution?
What is the name of the substance that does the dissolving in a solution?
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Solvent. Usually the liquid that dissolves other substances.
Solvent. Usually the liquid that dissolves other substances.
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Which observation is the best evidence that a new solid formed during mixing?
Which observation is the best evidence that a new solid formed during mixing?
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A precipitate appears. Solids forming from liquids show chemical change.
A precipitate appears. Solids forming from liquids show chemical change.
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Which change is evidence of a chemical reaction when substances are mixed: new gas bubbles or melting ice?
Which change is evidence of a chemical reaction when substances are mixed: new gas bubbles or melting ice?
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New gas bubbles. Gas formation indicates new substances are created.
New gas bubbles. Gas formation indicates new substances are created.
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Which observation should be recorded first in a mixing investigation: initial properties or final properties?
Which observation should be recorded first in a mixing investigation: initial properties or final properties?
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Initial properties. Need starting conditions to compare with changes.
Initial properties. Need starting conditions to compare with changes.
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What is the best way to record mixing results so another student can repeat the test?
What is the best way to record mixing results so another student can repeat the test?
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Write labeled steps and measurements. Clear procedures allow others to replicate experiments.
Write labeled steps and measurements. Clear procedures allow others to replicate experiments.
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Which change is mainly physical, not chemical: sugar dissolving in water or rust forming on iron?
Which change is mainly physical, not chemical: sugar dissolving in water or rust forming on iron?
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Sugar dissolving in water. Sugar molecules spread between water molecules unchanged.
Sugar dissolving in water. Sugar molecules spread between water molecules unchanged.
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Which separation method best recovers dissolved salt from saltwater: filtration or evaporation?
Which separation method best recovers dissolved salt from saltwater: filtration or evaporation?
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Evaporation. Water evaporates, leaving dissolved solids behind.
Evaporation. Water evaporates, leaving dissolved solids behind.
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Which separation method best removes undissolved solid from water: filtration or evaporation?
Which separation method best removes undissolved solid from water: filtration or evaporation?
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Filtration. Filter paper traps solids while liquid passes through.
Filtration. Filter paper traps solids while liquid passes through.
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