Semester 1 Review: 6th Grade
Quiz by Shanna Moss
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47 questions
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- Q1A scientist wants to evaluate the most effective cell culture for producing insulin using four different cell cultures that produce insulin. The table shows the amount of insulin produced, and how many times the insulin produced can be collected in one week. Which cell culture produced the most insulin?Culture 4Culture 3Culture 1Culture 260s
- Q2A student investigated the accumulation of nitrogen compounds in a fish tank over a period of 50 days. The graph shows the amount of nitrogen in compounds in the tank. At the end of the experiment, part of the water was replaced by fresh water. Which would be the independent variable in this investigation?the number of daysthe amount of nitrogenthe water changethe fish60s
- Q3According to Dalton's Atomic Theory, each chemical element is composed of a unique type of atom. Why is Dalton's Atomic Theory called a theory rather than a law?It explains the different chemical reactivities of different elements.It was accepted by all other scientists at the time.It states a conclusion scientists had not previously drawn at that time.It involves particles that are so small scientists are not completely sure they exist.60s
- Q4The graph shows the amount of force acting on an object over time. Which conclusion could be accurately made about this data?The magnitude of this force is constant over time.Based on this data alone, it is unclear whether the maximum force under investigation has yet been reached.This figure could represent the gravitational force between objects as one object moves closer to the other in one-second intervals.If the mass of the object was constant when the data were being collected, the object is under constant acceleration.60s
- Q5Alita wants to know if the color of ice cream affects its taste. She has three batches of vanilla ice cream. Batch 1 has no food coloring, Batch 2 has red food coloring, and Batch 3 has green food coloring. She asks 10 people to taste the three batches of ice cream and choose their favorite. What is the independent variable in Alita's investigation?taste of the ice creamcolor of the ice creamnumber of batches of ice creamnumber of people tasting the ice cream60s
- Q6Students are studying the effects of pollution by counting populations of insects in two different locations. One location is near a parking lot, and the other location is a meadow. The students plan to count and identify all insects located within 1 square meter at each location. They will repeat the insect count for 10 days and then analyze the data. What is the dependent variable in this study?the number of insects counted at each locationthe location where insects were countedthe size of the area examinedthe number of days the insects were counted60s
- Q7A group of students plans to investigate marigold plants. They want to know if marigolds will grow larger flowers when given plant food. The students made this table for their investigation. How can they improve the investigation to make their results more accurate?Plant 1 should be removed from the investigation.Plant 1 should receive 5 mL of plant food.Plant 1 should receive 6 hours of light.Plant 1 should be a different type of plant.60s
- Q8Read the picture for the question.Yes, because only one level is above the acceptable limit.No, because one level is above the acceptable limit.Yes, because all levels are below the acceptable limitsNo, because two levels are above the acceptable limits.60s
- Q9The diagram shows the three states of matter. Which diagram shows the state of matter in which particles take on the shape, but not volume, of their container?3121 and 360s
- Q10Raul and Bonnie are trying to classify several objects that they found during a field trip to the beach. They collected a sample of seawater, a piece of driftwood, and several smooth pebbles. What property does the driftwood share with the pebbles that it does not share with the water?Its volume will change in different containers.Its volume does not depend on its container.Its particles move freely in all directions.Its particles vibrate, but are locked in place.60s
- Q11In which state of matter are the particles able to move around one another?Gases and liquids onlyGases onlyGases, liquids, and solidsLiquids only60s
- Q12What must happen to container 2 for the substance in that container to change into the state shown in container 1?It must be frozen.It must be heated.It must be mixed.It must be cooled.60s
- Q13The interaction between the cryosphere and hydrosphere can have an impact on Earth’s oceans. Which of the following is an example of an interaction between the cryosphere and hydrosphere?Release of fresh water into ocean water as icebergs meltDecomposition of organic matter at the bottom of oceansRelease of large amounts of salt from icebergs into the oceanEvaporation of water from oceans at the equator60s
- Q14The illustration shows the interaction of different spheres within the Earth system. Which spheres are interacting?Hydrosphere, biosphere, and geosphereAtmosphere, cryosphere, and geosphereAtmosphere, biosphere, and geosphereCryosphere, hydrosphere, and biosphere60s
- Q15Sometimes fires burn down large areas of forests that are part of the biosphere. Other than the biosphere, which of Earth’s other systems is a forest fire most likely to affect?GeosphereBiosphereCryosphereAtmosphere60s