7th and 8th Grade Science Review

Place the Scientific Method in order.

• Identify the Problem, Collect information on the Problem, Make a Hypothesis, Experiment & Collect data, Organize and Analyze data, Draw a Conclusion

• Make a Hypothesis, Identify the Problem, Experiment & Collect data, Collect information on the Problem, Organize and Analyze data, Draw a Conclusion

• Experiment & Collect data, Identify the Problem, Make a Hypothesis, Collect information on the Problem, Organize and Analyze data, Draw a Conclusion

• Draw a Conclusion, Identify the Problem, Collect information on the Problem, Make a Hypothesis, Experiment & Collect data, Organize and Analyze data

Tags

NGSS.MS-PS1-2

Sally notices that all red oak trees are dying on the side of the highway. This is an example of...

• Observation

• Hypothesis

• Experiment

• Conclusion

Sally keeps a journal of the amount of growth of red oak saplings. This is an example of...

• Collecting Information/Data

• Making a Hypothesis

• Drawing a Conclusion

• Conducting an Experiment

Sally thinks that red oaks are affected by acid rain. This is an example of...

• Hypothesis/Prediction

• Observation

• Conclusion

• Experiment

Tags

NGSS.MS-LS1-5

What should you always be aware of while conducting experiments?

• Everything around you

• Only the equipment

• Just the results

• Only the hypothesis

Tags

NGSS.MS-PS1-2

NGSS.MS-PS3-4

How would you find the mass of an object?

• Use a triple-beam balance or digital scale

• Use a thermometer

• Use a graduated cylinder

• Use a ruler

The most accurate piece of laboratory equipment to measure liquid volume is...

• A graduated cylinder

• A beaker

• A flask

• A ruler

What is the temperature reading on the thermometer?

• 27 °C

• 30 °C

• 25 °C

• 20 °C

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is the density of a piece of iron with a volume of 2.75 cm³ and mass of 21.02 grams?

• 7.64 g/cm³

• 8.00 g/cm³

• 7.00 g/cm³

• 6.50 g/cm³

What is density?

• A measure of how compact particles within a substance are. Found by dividing mass by volume.

• A measure of the weight of an object.

• A measure of the volume of an object.

• A measure of the temperature of a substance.