Science Review 1
Science Review 2
Science Review 3
Science Review 4
Science Review 5
100
The equation for photosynthesis is shown.
Which statement about the equation BEST identifies evidence that mass is conserved during photosynthesis?
AThe number of
What is the number of atoms for each element in the reactants is the same as the number of atoms for each element in the products.
100
A student drinks a beverage that contains 78 grams of sugar.
Which system produces the hormone insulin that helps break down the sugar in the human body?
What is the endocrine system
100
A tennis ball is dropped down a stairwell.
Which statement BEST describes the energy of the tennis ball?
The tennis ball has the most potential energy just before it is dropped.
100
The model shows the position of Earth in its orbit around the sun and two points on Earth.
Which statement correctly compares and explains the length of daylight at the two points?
What is the length of daylight is shorter at Point X than at Point Y because the Northern Hemisphere is tilted away from the sun.
100
An energy pyramid is shown.
Which statement BEST describes the flow of energy through this pyramid?
What is tertiary consumers do not receive all the energy from the trophic level below them, because some energy is lost to the environment.
200
Which statement BEST describes a component of cell theory?
What is all cells come from preexisting cells.
200
A student turns on a battery-operated fan. The batteries are located in the base of the fan. After five minutes, the student notices that the base of the fan is warm.
Which statement BEST describes the conversion of energy taking place in the fan?
What is chemical energy is being converted into mechanical energy and thermal energy.
200
A balanced chemical equation is shown.
How many different elements are in the chemical equation?
What is 4
200
The table shows the percentages of crops pollinated by honeybees in the United States.
CropPercentage Pollinated by HoneybeesAlmonds100%Apples90%Blueberries90%Cotton16%Grapes1%Oranges27%Peaches48%Peanuts2%Soybeans5%Strawberries2%Source: New York Times, February 27, 2007
Over the past 30 years, honeybee populations in the United States have decreased significantly.
Which statement describes the MOST LIKELY long-term effect of a continuing decrease in honeybee populations?
What is almonds will be in danger of becoming extinct.
200
A food web is shown.
Based on the food web, which types of organisms would the grasshopper mouse most likely compete with for food sources?
What is herbivores and carnivores
300
Controlled burns are fires that are purposely set within a designated area when conditions are safe for the public and for the firefighters who watch over the fire. Weather and forest conditions are monitored both before and during the burn. Controlled burns rid forests of tree limbs, dead leaves, and other debris.
Which prediction can be made about a forest after a controlled burn has occurred?
Important nutrients for new plant growth will be returned to the soil.
300
A scientist studies the freshwater organism known as a hydra. Hydras reproduce by budding, a process in which a piece of the adult hydra breaks off and becomes a separate organism.
Which statement accurately describes the parent hydra?
What is the parent hydra used asexual reproduction and is genetically identical to the newly formed hydra.
300
A group of students had two clear solutions, Solution A and Solution B. They poured 30 mL of Solution A and 30 mL of Solution B into a flask, sealed the flask with a stopper, and gently shook it to mix the solutions. The students wrote down their observations and measurements.
- There were 36 g of Solution A and 34 g of Solution B before they were mixed.
- The mass of the empty flask was 300 g.
- The mass of both solutions and the flask was 370 g after the solutions were mixed.
- A precipitate formed when the two solutions were mixed.
- The clear solutions changed to cloudy white after being mixed.
Which statement is evidence that mass was conserved during the chemical reaction?
What is the total mass of both solutions and the flask was 370 g before and after the solutions were mixed.
300
How do fossil records support the theory of plate tectonics?
Similar fossils are found on various modern continents.
300
An equation for a chemical reaction is shown.
Which statement provides evidence that mass is conserved in the reaction?
What is two hydrogen atoms are in the reactants, and two hydrogen atoms are in the products.
400
Which factor contributes MOST to the formation of a hurricane?
What is high water temperatures
400
A student sets a 0.4 kilogram (kg) soccer ball on the ground and gives it a hard kick. The ball traveled a distance of 37 meters (m). The acceleration of the ball was 2,550 meters per second squared (m/s2).
Based on the data, how much force in newtons (N) did the student apply to the ball?
What is 1,020.0 N
400
The Olympic Mountains formed along the west coast of the United States at the boundary between the Juan de Fuca Plate and the North American Plate.
Which type of boundary MOST LIKELY exists between the Juan de Fuca Plate and the North American Plate?
What is convergent boundary, where the plates are moving toward each other
400
The diagram shows the alignment of Earth, the moon, and the sun on one day in May 2019.
The table shows tide heights for a coastal city on four different days in May 2019.
Tide Height (meters)May 15May 18May 22May 260.71.11.00.4
Based on the table, on which date were Earth, the moon, and the sun MOST LIKELY arranged as shown in the diagram?
What is May 26
500
Scientists have found some of the same types of rock containing the same types of fossil species in Africa and Antarctica.
Which explanation does this information support?
What is both continents were attached but drifted away from each other over time.
500
A student bounces a basketball off the gym floor.
Which statement correctly describes the action-reaction force pair that causes the ball to bounce?
Select TWO correct answers.
Burning wood
Breaking an egg
Cooking an egg
Freezing a popsicle
Rusting iron
What is breaking an egg and freezing a popsicle
500
A food web is shown.
What is the total number of organisms that eat primary consumers?
What is 5
500
A student is pushing two blocks on a smooth, frictionless surface.
What force is required in order to produce an acceleration of 2.5 m/s2?
What is 30N
500
Salt cedar trees are small invasive trees that cause environmental problems in Texas watersheds. Some of the characteristics of salt cedar trees are listed.
- Most native consumers do not eat salt cedar trees.
- Salt cedar trees add salt to the soil.
- Salt cedar trees use more water than native species.
Which statement describes the most likely long-term environmental impact of the salt cedar trees?
What is the water levels in the soil will increase