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6th grade PASS Review Science
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Use the chart below to determine the scientific name of a lion.
Lion Classification Kingdom Animalia Phylum Chordata Class Mammalia Order Carnivora Family Felidae Genus Panthera Species leo A; scientific names is Genius Species combined, Genius is capitalized but not species. Panthera leo Leo panthera Carnivora leo Leo carnivora
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Which of the following best describes the form of energy plants need for photosynthesis?
Mechanical Electrical Chemical Solar D; have students discuss reasons for eliminating other answer choices. Discuss what type of energy the solar energy is transformed into during photosynthesis (chemical). Have students reword the question so that chemical energy would be the correct answer.
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Which of the following shows the levels of classification of organisms from broadest at the bottom to most specific at the top? A Class B Kingdom Genus Phylum Family Class Order Order Species Family Phylum Genus Kingdom Species B; Have students discuss reasons for eliminating the other answer choices. They can also create mnemonic devices for memorizing levels. Species Species C Genus D Genus Family Family Order Kingdom Class Class Phylum Order Kingdom Phylum
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If two organisms belong to the same order, then they must also belong to the same
Class Genus Family species A; have students provide evidence to support their answer. If organisms are in same order then they share levels broader than order (class, phylum, kingdom) but not necessarily levels narrower than order (family, genus, and species)
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The oak tree below has moss growing on its branches
The oak tree below has moss growing on its branches. Which of the following statements best describes how the oak tree differs from the moss? The oak tree has herbaceous stems The oak tree reproduces with spores The oak tree needs water and nutrients The oak tree produces food by photosynthesis A; have students provide reasoning for eliminating other answer choices. Oak tree reproduces with seeds, all plants need water and nutrients, all plants absorb water through roots, moss produce food through photosynthesis too
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The path of the sperm cells to the egg cells is
Pollen lands on a newly formed seed and fertilization occurs. Pollen lands on the stigma and fertilization of the egg occurs. Pollen lands on an anther; grows a tube to the filament; and fertilization occurs. Pollen lands on the stigma; grows a tube down the style to an ovule; and fertilization occurs. D; have students provide reasoning to eliminate other answer choices. A- the seed contains an egg that has already been fertilized, B- The egg is located in the ovary of the flower, C- the anther is the male part of the flower where the pollen is produced
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Which of the following would be the best title for the diagram below?
One food storage area Petals in multiple of three Long, slender, parallel veins Randomly scattered vascular tubes Two food storage areas Four or five petals Circular bundles of vascular tubes Wide branching veins A; discuss why other options can be eliminated. Have students create models to compare the other options or suggest what information those models might contain. Monocot versus Dicot Vascular versus Nonvascular Cone-bearing versus Flowering Spore Producers versus Seed Producers
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Which of the following best describes the type of energy that is created during photosynthesis?
Mechanical Chemical Electrical Solar B-
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Observe the flowering plant below
Observe the flowering plant below. Infer the category of the Lily based on its physical characteristics. Dicot Monocot Non-vascular Cone-bearing B: have students provide visual evidence to support answer (petals in multiples of 3, parallel vascular tissue); have them eliminate other options with reasoning, A- petals not in 4 or 5, vascular tissue not in bundles; C- flower has vascular tissue visible; D- has flowers not cones
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Which of the following is the best comparison of flowering plants and conifers?
Conifers reproduce with spores and flowering plants reproduce with seeds. Conifers reproduce with fruit and flowering plants reproduce with spores. Conifer seeds grow in an ovary and flowering plant seeds grow in a flower. Conifers seeds grow in a cone and flowering plant seeds grow in an ovary. D- have students provide reasoning for eliminating other options. A- conifers and flowering plants reproduce with seeds, B- only flowering plants have fruit conifers have cones, C- flowering plants grow seeds in ovary conifers grow seeds in cones
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Which of the following best describes the function of the xylem?
To transport water and minerals from the roots to the rest of the plant. To absorb water from the soil and anchor the plant in the ground. To support the plant and hold the leaves up to the light. To protect the embryo from injury and drying out. A; have students identify what structures match the other answer choices. B-roots, C- stem, D fruit
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Match each of the following plant structures with the appropriate function.
Phloem 1. sticky area at the top of the pistil where pollen grains land Stigma 2. protect the seed from injury Style 3. increase this surface area for absorbing water from the soil Root hairs 4. transport food made in the leaves to growing parts of the plant fruit 5. stalk where the pollen tube grows after pollination has taken place 1- stigma 2- fruit 3-root hairs 4- phloem 5- style
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Plants whose seeds are to be dispersed by animals are usually covered with food. These types of food are known as Fruit Meat Seed Petal A
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Name the Structures for #1 (parts A and B) and # 2 (parts C-F).
#1 stamen #2 Pistil Have students describe the function of the stamen and pistil students can also name the specific parts identified by the letters and describe their function
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In the diagram below, the “stamen” is labeled on the flower between steps C and D. Why is this an important part of the flower during this stage of reproduction? The stamen is where pollen is produced. The stamen is where the eggs are stored. The stamen is where the seed germinates. The stamen is where fertilization takes place. A; have students eliminate other options with reasoning. B- eggs are produced in the ovules; C-seeds are germinated in the soil (on the ground), D- fertilization takes place in the ovary (ovule)
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The following structures are involved in the process of photosynthesis
The following structures are involved in the process of photosynthesis. Which one do you believe is most important to this process? Use reasoning to defend your answer. Leaf Stomata Chloroplast Chlorophyll There is no correct answer here. Students should use logical reasoning to defend their choice.
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The model below represent which plant process?
Carbon Dioxide Water Energy Sugar + Oxygen Fertilization Respiration Transpiration Photosynthesis B- have students give specific evidence from the illustration to support their response (products are CO2 and water; Starts with sugar and O)
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Which of the following describes germination?
Pollen enters the ovule Early stage of seed growth Seed grows into a mature plant Fertilized ovule develops into a seed B;
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Which of the following best describes a similarity between all plants and animals?
They both reproduce asexually. They both use vascular tissue to transport nutrients. They both use the process of respiration to release energy. They both use the process of photosynthesis to produce energy. C- have students eliminate other options. humans reproduce sexually; not all plants have vascular tissue; humans do not perform photosynthesis
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Which answer is incorrect? Justify your response.
The lima bean below was placed in a window sill for one week. A small amount of water was added each day. The root of the seed began to sprout at the top of the seed. Which statement below best explain what happened to the root as it grew? Which answer is incorrect? Justify your response. Hydrotropism made the root grow up toward the air. Phototropism made the root grow toward the light. Thigmotropism made the root grow toward the paper towel. Gravitropism made the root grow in a downward direction. Root sprout D; have students eliminate other options with reasoning. A- hydrotropism grows toward water, B- the root did not grow toward light, C- the root did not grow toward the paper towel. Seed Root
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Which of the following group of terms are most closely associated with asexual reproduction?
Pistil Stamen Egg pollen Xylem Phloem Fibrous root taproots Tubers Bulbs Cuttings Runners Monocot Dicot Conifer spores A B C D C- have students describe each type of asexual reproduction
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The image below shows a potato forming new sprouts
The image below shows a potato forming new sprouts. These sprouts are an example of Asexual reproduction with tubers. Asexual reproduction with runners. Sexual reproduction with stem cuttings. Sexual reproduction with flowering plants. A- have students eliminate other options. B- runners are vines; C & D the image is not sexual reproduction
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The model below represent which plant process?
Fertilization Respiration Transpiration Photosynthesis C- have students give evidence from the illustration that supports this answer (water is moving through plant and being released). Discuss what models of the other processes might include.
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The vast majority of plants function best when there is ample water and temperatures are well above freezing throughout the year. Plants, unlike animals, do not have the luxury of body insulation or locomotion. Consequently, as the temperatures decrease in the winter many plants respond by losing leaves and slowing growth. The statement above best summarizes which plant response to the environment? A- have students give examples of the other responses Dormancy Phototropism Fertilization Hydrotropism
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The model below represent which plant process?
Fertilization Respiration Transpiration Photosynthesis D- have students give specific evidence from the illustration to support their response (CO2 is going into the plant and O2 is going out, uses sunlight)
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Which of the following is a product of photosynthesis?
Carbon Dioxide Chlorophyll Nitrogen Oxygen D
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The following is a list of plant processes
The following is a list of plant processes. Which one do you believe is most important to the plants survival? Use reasoning to defend your answer. Transpiration Fertilization Photosynthesis Respiration There is no correct answer here. Students should use evidence and logical reasoning based on their understanding of the processes to support their ideas.
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James was conducting a science experiment to learn about plant processes and structures. The image below shows James’s investigation. Which plant process would this experiment most likely demonstrate? Justify your response. Respiration Fertilization Transpiration Photosynthesis C-
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The picture below shows pollen being transferred to the pistil
The picture below shows pollen being transferred to the pistil. This model best illustrations which plant process? D- have students eliminate other options. A- seed production occurs in ovary/ovule. Fertilization occurs in the ovary after pollen travels down style, Germination occurs when the fertilized seed begins to grow. Seed Production Fertilization Germination Pollination
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The model below demonstrates which plant response
The model below demonstrates which plant response? Explain what is happening in the model and why. Gravitropism Hydrotropism Phototropism Thigmotropism B- have students describe what a model of the other processes might look like.
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Should I water the plants with something other than water?
Your neighbor had to go out of town for three weeks. You agreed to water her plants every few days. She closed the curtains so people could not see into the house. The only window that was NOT covered was in the kitchen. After two weeks, you noticed that the only healthy plant was in the kitchen. What question could you ask yourself to find out why the other plants do not look healthy anymore? Does the amount of sunlight a plant receives affect how well the plant grows? Should I repot the plants into bigger pots to give them more room to grow? Should I water the plants with something other than water? Do I need to water the plants more often to make them grow better? A
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The picture below shows corn smut on a corn cob
The picture below shows corn smut on a corn cob. Which of the following statements best explains the picture? Corn smut is an insect that lives in the corn stalk to keep safe. Corn smut is a fungus that grows on the corn to obtain food. Corn smut is a result of fertilizer that was sprayed on the corn. Corn smut is a bacteria that is caused by too much rain. B
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Mark’s collected data about his classmates pets
Mark’s collected data about his classmates pets. The data Mark collected is displayed in the chart below. Match each pet with it’s owner. Pets Outer covering Births Blood temperature Breathing Mark’s Pet Fur or hair live Endothermic lungs Kayla’s Pet Scales or plates eggs Ectothermic Mary’s Pet Smooth/wet or bumpy/thick skin Gills/lungs Dwayne’s Pet feathers endothermic Lungs Tanika’s Pet scales gills Cat- Mark Lizard-Kayla Turtle-Mary Bird-Dwayne Fish-Tanika
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