Daily TAKS

2nd 6 wksDaily TAKSDo I have to?If you like extra credit on your tests, yes.If you have something else you need to be doing, no.Every question completed and stickered will be worth a point on your unit test.I will do this every day at the beginning of class.

A motor produces less mechanical energy than the energy it uses because the motorgains some energy through motion

stores some energy as electrons

converts some energy into heat and sound

uses some energy to increase in mass

Cell membranes perform all the following functions exceptmaking nutrients for cells

holding cytoplasm within cells

regulating substances exiting cells

recognizing other cells

What is the balanced coefficient ratio for the reaction shown above?

3:3:3:22:1:2:22:3:2:21:1:1:1

The diagram shows a longitudinal section of part of a plant root tip. Which of the following statements best describes a trend that can be observed in this root tip?The cells are generally longer at the top than at the bottom.The number of nuclei per cell increases toward the bottom of the root.The cells are shorter the closer they are to the outer surface of the root.The number of cells per area of the root is generally constant

Which of the following best describes a difference between a mutualisticrelationship and a parasitic relationship?Parasitism harms both organisms, while mutualism harms only one organism.Parasitism benefits only one organism, while mutualism benefits both organisms.Parasitism involves only two organisms, while mutualism involves many organisms.Parasitism continues for many generations, while mutualism is limited to one generation.

Diagram 1 represents a wave. Diagram 2 represents the composite wave formed when a second wave interferes with the original wave. Which of the following best represents the second wave? .

.

..

..

Water molecules generally have which effect on a soluble ionic compoundmixed into water?They remove electrons from the compound.

They break the bonds between the ions.

They change the ionic bonds to covalent bonds.

They add protons to the ionic nuclei.A student compares the viscosities of two solutions at room temperature. The student uses a metal block and equal volumes of the two solutions in identical containers. Which procedure would provide the best comparison of the viscosities of the solutions?Determining whether the block raises or lowers the density of either solutionDetermining whether the block raises or lowers the temperature of either solutionMeasuring the volume of liquid the block displaces in each solutionMeasuring the time it takes the block to sink in each solutionThe illustration shows the transcription process. What is the main purpose of the structure labeled W?

Carrying instructions for protein synthesis

Transforming into a protein

Passing traits to offspring

Replacing damaged DNA

A food web is shown here. If the rabbit population increases, which of the following is most likely to happen soon afterward?The deer population will increase.

The plant population will decrease.

Different birds will move into the area.

The insect population will be eliminated

Half of the tube of compound is applied to a pair of tennis shoes and allowed to dry completely. How much mass will the shoes gain?

20 g

40 g

50 g

100 g

Some students investigate the rusting rate of four metals in saltwater. To best find the rusting rates, the students should measure the masses of the metals before the investigation and at

the same time and day during each week of the investigation

different times and days during each week of the investigation

any time during the first week of the investigation

one randomly selected time during the investigationMany viruses released into the air survive for only short periods of time. Whichof the following is the most likely reason for this?

Viruses attract antibodies in the atmosphere.

Viruses require a low atmospheric pressure.

Viruses are hosts for bacteria that eventually destroy them.

Viruses are dependent on host cells of living organisms.The diagram represents a reflex arc in a human. This pathway responds when someone touches something that causes pain, such as a hot stove. Which of the following shows the correct order of the body systems involved in this response?

Integumentary, respiratory, digestive

Circulatory, respiratory, nervous

Integumentary, nervous, muscular

Circulatory, digestive, nervous

An advertisement for a new medication claims that patients can lower body cholesterol by 25%45%. If the claim is accurate, patients who will benefit most from this medication are those who have high cholesterol levels

consume small amounts of cholesterol

want to eliminate cholesterol

are aware of cholesterols effectsThe long-term survival of any species of organism is possible only if theorganisms can migrate when temperatures change

reproduce successfully

find protection from predators

locate a constant food source

In addition to a hot plate and beakers, which of these items are needed to test the hypothesis above?Test tube, barometer, thermometer

Balance, thermometer, hand lens

Stopwatch, microscope, test tube

Thermometer, stopwatch, balance

An electric toy cart has a mass of 6.0 kilograms and a constant acceleration of 0.50 m/s . How much work does the net force do on the toy cart as the cart travels 8.0 meters?24 Nm

30 Nm40 Nm

48 NmWhite-tailed deer meet their energy needs through which of these activities?Drinking water

Absorbing sunlight

Eating plants

Exhaling carbon dioxideThe elements in which of these sets have chemical properties that are the mostsimilar?K, Ca, Sc

O, S, Se

Na, Ca, Y

P, S, ClA child jumps on a trampoline, as shown above. Which of the following causes the child to rise in the air?Inertia

Mass

A reaction force

A gravitational force

Robert Koch is known for developing Kochs postulates, a series of steps used to identify the agents responsible for some diseases. The validity of the postulates is best supported by which fact shown above?

Fact 1

Fact 2

Fact 3

Fact 4Members of the kingdom Animalia are best described as unicellular, prokaryotic, heterotrophic

unicellular, eukaryotic, autotrophic

multicellular, eukaryotic, heterotrophic

multicellular, eukaryotic, autotrophicAn advertisement for a brand of tea claims the tea improves the immune system. This claim implies that the tea helps the body produce antibodies

accelerates the process of digestion

prevents bacteria from entering cells

keeps the body from being exposed to viruses

A 2.25 kg fish swims in a pond at a constant rate of 56 meters in 96 seconds. What is the fishs approximate speed?0.020 m/s

0.40 m/s

0.58 m/s

1.7 m/s