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WorksheetsQuarter 1 Review
Total questions: 16
Worksheet time: 8mins
Imagine Diana and Jane, two budding scientists, are conducting a super fun experiment. They are dropping balls of different colors and measuring how high they bounce back! But when they compare their results, they find a big difference. Can you guess the LEAST LIKELY reason for this difference in their data?
Could it be because Diana and Jane dropped the balls from different heights?
Or maybe, Diana and Jane used bouncy balls from different brands?
Perhaps, Diana and Jane dropped the bouncy balls on different surfaces?
Or, could it be that Diana and Jane conducted their experiment at different times of the day?
Why do you think it's super cool for scientists to not just share their awesome findings, but also their step-by-step process with their fellow lab-coat buddies?
Scientists are not really into results, they're all about the process, right?
So that other scientists can recreate the experiment, compare the methods used, results achieved, and maybe even add some extra insights.
A scientist's discovery can only reach the status of a Law if it's repeated 10 times, isn't it?
Other scientists can compare methods and then just copy your data if you used the same method, isn't that so?
Imagine you're a group of young scientists conducting experiments to find out the percentage of oxygen in the air. Suddenly, you realize that each group has come up with different conclusions. What's your next move, Einstein?
Do you tweak your data to match the known percentage of oxygen in the air?
Do you calculate the range between the highest and lowest percentage found?
Do you compare the methods used and identify possible errors?
Or do you hold a vote on the group with the best procedure and copy their results?
Imagine Tyler, a budding scientist, is on a mission to find the best fertilizer for his beloved St. Augustine grass. He conducts a series of exciting experiments with fertilizer A and B. After several trials, he discovers that his grass grows faster and thicker with the magical touch of fertilizer A. Now, how can Tyler ensure that his findings are as reliable as a compass in a jungle?
Scientists are like magicians, they don't care about the results, they only want to know the secret behind the trick.
By inviting fellow scientists to repeat his experiment, compare methods used, results obtained, and offer further explanations. It's like a science party!
A scientist's findings can only become a Law if it is repeated 10 times. It's like a secret code in the world of science.
Other scientists can compare methods and then copy your data if you used the same method. It's like sharing a secret recipe!
Consider a scenario where young scientist, Tania, is conducting an experiment to understand the impact of different liquids on rocks. She chooses chalk as her 'rock' and uses orange juice, soda, and milk as her 'liquids'. She follows the steps below: 1. She places a 3 cm long piece of chalk in three different beakers, one in each. 2. She pours soda into one beaker, orange juice into the second, and milk into the third. 3. After waiting for 2 minutes, she removes the chalk and measures how much of it remains solid. 4. She repeats this process three times. Based on Tania's experiment, can you identify a potential flaw that might affect the accuracy of her results?
Is it because her experiment doesn't explain how she came up with this interesting idea?
Should she have used larger pieces of chalk for a more noticeable effect?
Is her experiment too brief and needs additional steps?
is it because her experiment doesn't specify the exact quantity of soda, orange juice, and milk she should use in each beaker?
Imagine you're a tiny creature in a vast forest. Who would you be if you could harness the power of the sun to fuel your life?
A consumer, munching on other organisms
A producer, basking in the sunlight
A decomposer, breaking down dead matter
A scavenger, hunting for leftovers
Imagine you're a marine biologist studying a fascinating underwater food web. Suddenly, you notice a significant decrease in the fish population! What do you think would MOST LIKELY happen next in this aquatic drama? Here's a quick reminder of the food web: producer decomposer scavenger Mold Mangrove Leaf Gral Bacteria Prawn Fish Phytoplankton Heron Pelican
The phytoplankton population would decrease.
The mangrove tree population would increase.
The pelican population would decrease.
The heron population would increase.
Imagine you're a scientist, categorizing organisms into producers, consumers, decomposers, and scavengers. Can you guess what information you would need to sort these critters into their respective categories?
Their favorite hangout spots in the ecosystem
Their unique ways of producing offspring
The specific resources they need to thrive and survive
Their secret methods of obtaining energy for survival
Imagine you're a tiny creature in a vast habitat, and you're in a race with others for the same limited goodies. What would you call this thrilling race?
A game of adaptation
A predation marathon
A competition
A mutualism party
Imagine you're a tiny aphid, living in a world full of dangers. Every night, your ant buddies invite you over for a sleepover in their cozy nest, safe from the scary predators. In return, you share your delicious honeydew with them. The next morning, they escort you back to your plant. What kind of cool symbiotic relationship is this?
predation
competition
mutualism
parasitism
Hey there, science enthusiast! You know, scientific knowledge is always evolving as we discover new evidence or information. But can you tell me which of the following scenarios would NOT be a result of new scientific research and information?
Imagine a scientist who has been studying bullfrogs for many years. She has noticed that these bullfrogs are now laying eggs 8 days earlier than they did 20 years ago when she first began studying them. The trees around the pond have also grown taller and shade the water more than they did 20 years ago. What do you think she should do next?
Consider a jar with sprouting seedlings. The total mass of the jar will first decrease than increase compared to the original jar with seeds. What do you think about this?
Think about the amount of carbon burned by fossil fuels. It decreases further away from the forest. Isn't that interesting?
Picture a scientist reviewing the characteristics of an organism that she is observing. It is single-celled and is a heterotroph. Can you guess which organism she is describing?
Imagine this - a carbon atom that's part of you right now could have been part of a dinosaur millions of years ago! How cool is that? But how can this be possible? What's the BEST explanation for this fun fact?
Is it because the carbon atoms in living things today are created when the organism is born?
Or is it because the carbon atoms in living things today are the same ones that have always been part of life, just recycled over and over?
Could it be that this isn't possible at all, because the carbon in our bodies couldn't have been part of any previous organism?
Or is it because carbon atoms are passed down through generations, like a family heirloom, through the evolution of organisms?
Imagine you're a curious scientist conducting an experiment. You place 5 magical seeds on a wet paper towel and then seal them in a mysterious jar. You carefully measure and record the mass of this sealed jar in grams. Over the course of 2 adventurous weeks, you patiently wait for the seeds to sprout into tiny seedlings. Once they do, you measure and record the mass of the jar with the sprouted seedlings in grams. Now, can you tell which sentence BEST explains how the two masses will compare to one another?
The total mass of the jar with sprouting seedlings will first perform a magic trick and decrease, then surprise you by increasing compared to the original jar with seeds.
The total mass of the original jar with seeds will be less than the total mass of the jar with the sprouting seedlings, as if the seedlings gained superpowers!
There will be no change in the total mass of the jar with seedlings after 2 weeks, as if time stood still.
The total mass of the original jar with seeds will be more than the total mass of the jar with the sprouting seedlings, as if the seedlings went on a diet!
Imagine you're a scientist exploring a beautiful hardwood forest filled with a variety of trees, other plant species, fungi, and animals. You have a device to measure the atmospheric carbon dioxide concentrations around the forest. You notice something interesting - the concentration is lowest right next to the forest and steadily increases as you move farther away from the forest. Can you figure out how this observation supports the Law of Conservation of Mass?
Could it be that the total mass of the jar with sprouting seedlings will first decrease than increase compared to the original jar with seeds?
Or maybe the amount of carbon burned by fossil fuels decreases further away from the forest?
Could it be that the carbon released by plants through photosynthesis is quickly cycled through the cellular respiration of animals?
Or is it that the carbon released into the atmosphere by decaying organic matter increases as you move further away from the forest?
Imagine you're a scientist who has been on a bullfrog-watching adventure for many years. You've noticed something peculiar - these bullfrogs are now laying eggs 8 days earlier than they did 20 years ago when you first started your froggy journey! Not only that, but the trees around the pond have also grown taller and are casting more shade on the water than they did 20 years ago. What's the next step in your scientific adventure?
Should you conduct more research to see if you can figure out why these frogs are changing their egg-laying schedule?
Should you switch up your research and choose a different species of frog to study for the next 20 years?
Should you conclude that the changed tree heights have somehow affected the frogs?
Or should you assume that the water temperature must have risen, allowing frogs to lay eggs earlier?
Imagine you're a scientist, and you've just discovered a fascinating single-celled organism! This little critter isn't making its own food, so it's a heterotroph. Can you guess what kind of organism you've found?
A tiny plant
A microscopic fungus
An itty-bitty animal
A minuscule bacteria
