7th Grade Post-Test
Quiz by Heather Reeve
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- Q 1/30Score 0The table below lists the population of Greenwood in 4 different years. What was the population of Greenwood in 2007?29217,000217212212,000
30 questions
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- Q1The table below lists the population of Greenwood in 4 different years. What was the population of Greenwood in 2007?217,000217212212,00030s
- Q2Which description defines the variable in a scientific experiment?any factor that can change in a controlled experimenta range of values for a particular quantity in an experimenta set of possible outcomes for an experimenta question being explored by an investigation30s
- Q3Which sequence of events is a logical order of a scientific investigation?analysis of data --> conclusion --> experiment --> hypothesishypothesis --> experiment --> analysis of data --> conclusionhypothesis --> experiment --> conclusion --> analysis of dataexperiment --> hypothesis --> analysis of data --> conclusion30s
- Q4Trevor recorded the high temperature and low temperature in Miami for 5 days. What was the high temperature in Miami on Thursday?24 °F33 °F33 °C24 °C30s
- Q5Indira tested whether a tomato plant grew faster in part shade or full sun. The table below shows the height of each plant after 0, 10, 20, and 30 days. What is one conclusion Indira can draw from her data?Tomato plants grown in full sun will produce more tomatoes.Tomato plants need to be placed in full sun in order to grow.The tomato plants grew taller in full sun than they did in part shade.All plants grow taller in full sun than they do in part shade.30s
- Q6Jaime planted two seeds. She watered one seed with tap water. She watered the second seed with plant feed. She measured the height of the plant every 2 weeks. She created the graph below to show her results. Which of these items is missing from the graph?keyx-axisunitstitle30s
- Q7The image shows various things that make up a pond. Which things from the image are part of the pond ecosystem?fish, ducks, turtles, frogs, crayfish, and insects onlygrasses and cattail reeds onlygrasses, cattail reeds, water, rocks, clouds, air, fish, ducks, turtles, frogs, crayfish, and insectswater, rocks, clouds, and air only30s
- Q8The following image shows organisms in a certain land biome. Which land biome is most likely shown in this image?deserttemperate grasslandtundratropical rainforest30s
- Q9A mangrove swamp contains many organisms living among the large roots of the mangrove trees. This food web shows some of the relationships in that ecosystem. According to the food web, which organism is a producer in the mangrove swamp?crabphytoplanktonmoldpelican30s
- Q10The figure below shows a food chain that might exist in a field or meadow. Which organism is the primary consumer in this food chain?beetleowlplant leaftoad30s
- Q11Which of the following is an example of a biotic limiting factor in an ecosystem?Living space is lost due to human activities.New predators move into the ecosystem.A drought occurs for several months.A hurricane passes through an ecosystem.30s
- Q12Scientists studied predator-prey relationships in a habitat. The diagram below shows the feeding relationships among organisms that a scientist might find in a certain environment. Which animal is both a predator and prey?snakecricketplantowl30s
- Q13An ecologist observed these animals in a biome. Which biome is the ecologist studying?tundratropical rainforestdesertgrassland30s
- Q14The diagram shows an energy pyramid. Which type of organism would be in Section 2 of the pyramid?herbivoresproducerscarnivoresautotrophs30s
- Q15The diagram below shows changes occurring in an ecosystem over time. What is happening in the diagram?An ecosystem is slowly being eliminated from a region.Soil is being removed from an ecosystem over time.Plants are growing larger over time.Biological communities are gradually being replaced by other communities.30s
