Qtr 1 Test 2 Answer Key :Qtr 1 Test 2 Answer Key Science


Slide 2:1. “Does the amount of fertilizer affect how tall a flower grows” is a valid, testable research question. true false


Slide 3:2. “Are roses prettier flowers than tulips” is a valid, testable research question false true This is based on opinion so it is NOT a valid research question


Slide 4:Using the following research question, match up the independent variable, dependent variable, and constant “Which batter will last the longest: Superlast or Energy Star?” a. independent variable (what the scientist changes) dependent variable (results of the change) Constant (what stays the same no matter what) appliance battery is used in c. constant 4. brand of battery a. independent variable 5. time battery lasts b. dependent variable This was on your Scientific Method packet that we worked on all week


Slide 5:Using the following research question, match up the independent variable, dependent variable, and constant “What amount of sunlight makes pea plants grow tallest?” independent variable (what the scientist changes dependent variable (results of the change) Constant (what stays the same no matter what) height of plant b. dependent variable amount of sunlight a. independent variable type of plant c. Constant This was on your Scientific Method packet that we worked on all week


Slide 6:a. classification b. hypothesis Infer Model Observation representation of an object d. Model when you use your senses to notice your environment e. Observation 11. an educated guess based on observations and your knowledge of the topic b. hypothesis 12. draw conclusions, interpret, and to explain observation c. Infer 13. putting objects and events in an order based on certain properties a. classification These were ALL vocabulary words…. You MUST study these every night!!


Slide 7:Using the following research question, match up the independent variable, dependent variable, and constant “Which type of music quiets a crying baby faster?” a. independent variable (what the scientist changes) dependent variable (results of the change) constant (what stays the same no matter what) time it takes to quiet baby b. dependent variable volume music is played at c. constant type of music a. independent variable This was on your Scientific Method packet that we worked on all week


Slide 8:Put the steps to the scientific method in order from beginning to end a. Identify the Problem b. Form a Hypothesis Experiment Analyze data Communicate results Step 3 c. Experiment Step 4 d. Analyze data Step 5 e. Communicate results 20. Step 2 b. Form a Hypothesis 21. Step 1 a. Identify the Problem This was from the flip book we made and the Scientific Method study sheet in the binder


Slide 9:a. communicate b. order Estimate Results Scaling to use language and symbols to share information; represent the data or information obtained from observations into forms other people can understand a. communicate to rank objects or events based on properties or traits; to sequence objects or events based on properties b. order 24. to make smaller measurements that are in proportion to the measurements of the larger object e. Scaling 25. the information that is collected at the conclusion of an experiment d. Results 26. to form opinions about numerical data and observations c. Estimate These were ALL vocabulary words…. You MUST study these every night!!


Slide 10:a. categorize b. experiment Record Compare Forecast to make generalizations about future events based on inferences from data e. Forecast to gather data over time in data logs c. Record to notice similarities and differences between objects, beings, and events d. Compare to change objects and events and compare them to the original objects and events b. experiment 31. to group or classify objects or events based on logical characteristics, traits, or patterns. a. categorize These were ALL vocabulary words…. You MUST study these every night!!


Slide 11:a. measure Reaction Relate Sampling to notice how objects or events interact with one another and the changes caused by those interactions c. Relate to look at a small part of a population or set; used to make generalizations or judgments about the whole population or set d. Sampling 34. to compare objects and events quantitatively or numerically; find quantity a. measure 35. a response to some treatment, situation, or stimulus b. Reaction These were ALL vocabulary words…. You MUST study these every night!!


Slide 12:a. control b. independent variable Variable dependent variable data any part of an experiment that can change c. Variable 37. a part of the experiment that is not being tested and is used for comparison a. control 38. part of the experiment that is affected by the independent variable d. dependent variable 39. the part of the experiment that is changed by the scientists or person performing the experiment b. independent variable 40. information gathered during an experiment e. data These were ALL vocabulary words…. You MUST study these every night!!


Slide 13:Using the following research question, match up the independent variable, dependent variable, and constant “Will M&M color dissolve faster in water or in vinegar?” a. independent variable (what the scientist changes) dependent variable (results of the change) Constant (what stays the same no matter what) type of liquid a. independent variable time it takes to dissolve B. dependent variable color of M&M c. Constant This was on your Scientific Method packet that we worked on all week – PLUS the experiment we did in class


Match the picture with the tool it represents :Match the picture with the tool it represents 44. graduated cylinder C 45. test tube D. 46. Flask B. 47. Beaker A.


Slide 15:Using the following research question, match up the independent variable, dependent variable, and constant “Does the temperature of water affect how quickly food coloring spreads through it?” a. independent variable (what the scientist changes) dependent variable (results of the change) Constant (what stays the same no matter what) time it takes food coloring to spread b. dependent variable color of food coloring c. Constant temperature of water a. independent variable This was on your Scientific Method packet that we worked on all week