8th Grade Chemistry And Biology! Trivia Quiz

The correct answer is Jeopardy.

The correct answer is nucleus. The presence of a nucleus is what distinguishes eukaryotes from prokaryotes. Prokaryotes, such as bacteria, do not have a nucleus, while eukaryotes, including plants, animals, and fungi, have a well-defined nucleus that contains their genetic material. The nucleus is surrounded by a nuclear membrane, which helps regulate the flow of molecules in and out of the nucleus. It plays a crucial role in various cellular processes, such as DNA replication, transcription, and gene expression.

The lab safety blueprint is found on page 1 of the science notebook.

On page 2 of the notebook, students completed a lab called "The Candle Lab".

The letter "H" represents the course adjustment.

The correct answer is G because the question is asking for the letter that represents the place where the slide is viewed, which is called the stage.

The correct answer is Bill Nye Chemical Reactions because it is the only video listed that is related to science and not specifically about cells or earthquakes.

The given correct answer is "Quantitative observation" because the observation is focused on counting the number of puppies in the picture. Quantitative observation involves collecting and analyzing data that can be measured or expressed numerically. In this case, the number of puppies is a quantitative measure.

Hooke is the correct answer because he was the scientist who discovered cells in the 1660s.

When a potato slice is placed in salt water, it becomes soft. This is because salt water has a higher concentration of solute particles compared to the potato slice. As a result, water from the potato moves out through osmosis, causing the potato to lose water and become softer in texture.

Qualitative observation is descriptive because it involves gathering information based on qualities, characteristics, or attributes of an object or event. It focuses on the quality, appearance, behavior, or other non-numerical aspects of what is being observed. This type of observation provides a detailed and subjective description, often using words, images, or sensory information, to convey the observed phenomena. In contrast, quantitative observation involves measuring and quantifying data using numerical values. Therefore, the correct answer is qualitative.

The given answer is "Qualitative observations". This is because the question mentions the presence of "white trees" and "different kinds of green plants", which are descriptions based on qualities or characteristics rather than numerical measurements.

Classwork and projects may be turned in late for partial credit. This statement suggests that there is a possibility for students to submit their classwork and projects after the designated deadline and still receive some credit, although it may be reduced. This policy allows students who may have faced unforeseen circumstances or difficulties to still have the opportunity to submit their work and receive some recognition for their efforts.

The correct answer is 10/3. This date is mentioned in the hint as the day when the class looked at prokaryotes and eukaryotes.

The statement is false because the question states that homework can be made up for credit anytime it is left in various places, such as the locker, at home, or in another notebook. This implies that the homework can be made up even if it is not turned in on time. However, this is not true as most teachers require homework to be turned in on time and may not accept late submissions for credit.

The picture shows flasks. Flasks are commonly used in laboratories to hold and mix liquids. They have a narrow neck and a wider body, allowing for easy pouring and mixing. Flasks are often used for reactions that require heating or cooling, as they are designed to withstand temperature changes. They are also commonly used for storing and transporting liquids.

Organisms need food to provide energy and nutrients for growth and maintenance of their bodies. Water is essential for various biological processes and helps maintain hydration. Oxygen is necessary for cellular respiration, a process that releases energy from food. Getting rid of waste is crucial to eliminate harmful substances and maintain homeostasis in the body. Therefore, all the options provided (food, water, oxygen, and getting rid of waste) are correct answers for what organisms need to live.

Osmosis is the correct answer because it specifically refers to the diffusion of water through a semipermeable or selectively permeable membrane. Diffusion, on the other hand, is a more general term that encompasses the movement of any substance from an area of higher concentration to an area of lower concentration, without specifying the involvement of a membrane. Therefore, both diffusion and osmosis are not equivalent, and osmosis is the more accurate term to describe the diffusion of water through a semipermeable membrane.

The number 6 represents the golgi body.

The formula for density is "mass divided by volume" because density is a measure of how much mass is packed into a given volume. By dividing the mass by the volume, we can determine how dense an object or substance is. This is because density is defined as mass per unit volume, so dividing the mass by the volume gives us the density value.

In the 1670s, scientist Antonie van Leeuwenhoek described microorganisms in pond water. He used a simple microscope to observe these tiny organisms, which were previously unknown to science. Leeuwenhoek's discoveries were groundbreaking and helped lay the foundation for the field of microbiology.

Active transport is a process that allows molecules or ions to move against their concentration gradient, from an area of low concentration to an area of high concentration. This movement requires energy to be expended by the cell. Therefore, the correct answer is energy.

The given answer is false because items with the same mass do not always float. Whether an object floats or sinks depends on its density, which is determined by both its mass and volume. If the object's density is less than the density of the liquid it is placed in, it will float. However, if the object's density is greater than the density of the liquid, it will sink. Therefore, items with the same mass can have different densities and may either float or sink depending on their density and the density of the liquid.

Prokaryotes were the first cells to evolve because they are simpler in structure and lack a nucleus and other membrane-bound organelles. They are considered to be the most primitive form of life and are believed to have appeared on Earth around 3.5 billion years ago. Eukaryotes, on the other hand, evolved later and are more complex, with a nucleus and various organelles enclosed in membranes. Therefore, based on the evolutionary timeline and the characteristics of prokaryotes, they are considered to be the first cells to evolve.

As the magnification increases when looking at a specimen underneath the microscope, the viewing area decreases. This is because higher magnification allows for a closer and more detailed view of the specimen, but at the same time, it limits the field of view. The higher the magnification, the smaller the area that can be seen at once, resulting in a decrease in the viewing area.

The letter A represents the revolving nosepiece. The revolving nosepiece is a component of a microscope that holds the objective lenses and allows for easy switching between different magnifications.

The experiment mentioned in the question is about a hoop airplane. The variable that was kept constant in this experiment is the size of the straw. This means that throughout the experiment, the size of the straw used to construct the hoop airplane remained the same. The other options, such as the positioning of hoops, size of hoops, and diameter of hoops, may have been manipulated or changed during the experiment, but the size of the straw was kept constant.

The answer to number 16 on page 8 in the notebook is "Size of Bubble" because the question is asking for a specific characteristic or factor related to bubbles. Out of the given options, the size of the bubble is the most relevant answer as it directly corresponds to the question.

Metabolism refers to the sum of all the physical and chemical processes in an organism. It includes processes such as digestion, respiration, and synthesis of molecules. Homeostasis, on the other hand, refers to the maintenance of a stable internal environment in an organism. Development refers to the process of growth and differentiation of cells and tissues. Therefore, the correct answer is Metabolism.

In this hypothesis, the independent variable is the type of fertilizer. This is because the scientist is changing or manipulating the type of fertilizer used in the experiment. The dependent variable, on the other hand, is the amount of plant growth. This is what the scientist is measuring or observing as a result of the different types of fertilizer. The type of plant and type of planter are not mentioned in the hypothesis and therefore are not relevant to the independent variable in this case.

Cells are small because they rely on their surface-to-volume ratio. This means that as cells increase in size, their volume increases at a faster rate than their surface area. Since the surface area is responsible for exchanging nutrients, gases, and waste with the environment, a larger surface area allows for more efficient and effective exchange. Therefore, cells need to be small in order to maintain a high surface-to-volume ratio and ensure proper functioning.

When a potato is placed in saltwater, the concentration of salt outside the potato is higher than the concentration inside the potato cell. This creates a hypertonic environment outside the cell. To balance the concentration, water molecules move from an area of lower solute concentration (inside the potato cell) to an area of higher solute concentration (outside the cell). As a result, water flows out of the potato cell, causing it to shrink or lose water. Therefore, the correct answer is "out of the potato cell".

The number 2 represents the nucleus. In the context of this question, the nucleus refers to the central part of an atom that contains protons and neutrons. The other options, 1, 3, and 4, do not represent the nucleus but could potentially represent other parts of an atom or unrelated concepts.

This picture best represents diffusion because it shows the movement of particles from an area of high concentration to an area of low concentration. Diffusion is the process by which molecules or ions spread out from an area of high concentration to an area of low concentration. In the picture, the particles are evenly distributed throughout the container, indicating that they have diffused and reached equilibrium.