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- 1. Multiple Choice
Students list ways people at their school can reduce landfill waste.
Ways to Reduce Landfill Waste at Our School
>serve lunches on reusable plates
>turn in some homework using email
>copy worksheets on both sides of paper
>replace paper towels with hand dryers
Which other idea would most likely be included on this list?
remove trash cans from hallways
turn off lights when leaving a room
replace old textbooks with newer ones
add recycle bins for paper in classrooms
- 2. Multiple Choice
From November to February, the constellation Orion is clearly visible in the night sky from Mississippi. Orion appears to rise from the east and set in the west. The stars do not actually move through the sky. They appear to change positions due to the Earth's Movement.
What factor is responsible for the changes in Orion's position when viewed during the winter month?
the rotation of the Sun
the rotation of Earth on its axis
the revolution of the Sun around the Earth
the revolution of the moon around the Sun
- 3. Multiple Choice
Use the scenario to answer the next two questions
Making solutions
Solutions are mixtures that are very common in our daily lives. A solution is composed of a solute and a solvent.
A student conducted an investigation using 50 milliliter of distilled water and 5 grams of table salt. The water for each test was brought to a certain temperature before the salt was added. The data from the investigation are shown in the graph.
Which conclusion best describes the data in the graph?
Increasing the amount of solvent increases the temperature of a solution
Increasing the temperature of the solute increases the amount of the solution
the amount of solute in a solution determines the time needed for the solute to dissolve in the solvent
A decrease in the temperature of a solvent increases the time needed for a solute to dissolve in a solvent
- 4. Multiple Choice
A student needs to separate a mixture compsed of iron fillings and sand. How can the student most easily separate all the iron fillings from the mixture?
Use a magnet to attract the iron filings
Use filter paper to isolate the iron filings
Add water to the mixture and pour off the floating iron filings.
Add water to the mixture and allow it to evaporate and leave behind the iron filings
- 5. Multiple Choice
A student is identifying properties of chemical particles by using the chart below. Complete the chart by selecting boxes to identify each property as a description of an atom, a molecule, or both
Properties of Particles
Which are particles held together by bonding?
atom
molecule
- 6. Multiple Choice
A student is identifying properties of chemical particles by using the chart below. Complete the chart by selecting boxes to identify each property as a description of an atom, a molecule, or both
Properties of Particles
Which is the smallest particle of an element with properties of that element?
atom
molecule
- 7. Multiple Choice
A student is identifying properties of chemical particles by using the chart below. Complete the chart by selecting boxes to identify each property as a description of an atom, a molecule, or both
Properties of Particles
Which are composed of more than one particle?
atom
molecule
Hydrogen
- 8. Multiple Choice
Two words that correctly identify properties of these planets
Uranus -Neptune- Saturn- Jupiter
rocky
gaseous
large
small
- 9. Multiple Choice
Which statement identifies the most likely outcome if the rabbit population suddenly reduced?
Owls would become extinct because they have no food
Hawks would have less food available so their population would decrease
Grasshoppers would have less food available so their population would decrease
Grasses in the area would die and all of the animals would have to move to another area to survive
- 10. Multiple Choice
The diagram shows what happens when wood is burned
Burning Wood
wood + oxygen = ashes+carbon dioxide gas + water
(starting) ------------------------------ (ending)
Which statement best explains the change that occurs when wood is burned?
This is physical change because the products can be changed back into wood
This is physical change because the products are different from the starting materials
This is chemical change because the products can be changed back into wood
This is chemical change because the products are different from the starting materials
- 11. Multiple Choice
the chart below shows environmental characteristics of four ecosystems
Which statement accurately describes the vegetation or animals that would be best supported by the ecosystem?
the desert would support animals that need to remain cool
the pond would support animals that can survive in saltwater environment
the tropical rainforest would support plants that are tall and have then needles
the polar tundra would support plants that are small and grow close to the ground
- 12. Multiple Choice
Which is the correct order of the food chain of the channel catfish?
A,B,C,D
B,C,D,A
C,D,A,B
D,B,A,C
- 13. Multiple Choice
The model shows a process that occurs in a tomato plant
A process Occurring in a Tomato Plant
Which labels correctly complete the model to help describe this process?
1.water 2. sunlight 3. stored energy
1.sunlight 2.stored energy 3.water
1.sunlight 2. water 3.stored energy
1.stored energy 2.water e.sunlight
- 14. Multiple Choice
the diagram shows part of a food web in a Great Lakes ecosystems
Which statement best describes an effect of humans on this food web?
the population of bald eagles may be reduced by humans consuming too many smelt.
Competition among humans, alewife, and smelt decreases food availability for bald eagles
Humans decrease the populations of phytoplankton and zooplankton by consuming chinook salmon
Human consumption of coho salmon and chinook salmon may reduce food sources for herring gulls
- 15. Multiple Choice
The diagram shows four blocks of the same size in a water tank. Block Y has the same density as the water.
Four additional block are being added to the water as detailed (Block J= 1kg) - (Block K =3 kg)- (Block L=5 kg)-(Block M=7kg)
Pick two answers choices - the two blocks that will float and two blocks that will sink.
BLOCK J & K WILL FLOAT
BLOCK J & K WILL SINK
BLOCK L & M WILL SINK
BLOCK L & M WILL FLOAT
- 16. Multiple Choice
A group of students was challenged to construct a boat that could transport 10 milliliters (13.38 grams) of corn syrup across a small, plastic swimming pool.
Which question will best help the students design their boat?
What is the mass of the boat and the corn syrup?
What force is need to push the boat across the length of the pool?
What boat shape is needed to lower the density of the boat and the corn syrup?
What is the distance from one point of the pool to the point on the exact opposite side?
- 17. Multiple Choice
Which process would be the best way to increase the concentration in a solution of sugar and water?
Decrease the amount of sugar, and increase the amount of water
Increase the amount of sugar, and keep the amount of water constant
Decrease the amount of sugar, and decrease the amount of water
Increase the amount of water, and keep the amount of sugar content
- 18. Multiple Choice
Look into the sky on a clear night and you may be able to observe the Moon, or part of it, lit up by the Sun. People can keep track of the Moon's appearance from Earth in lunar calendars. This makes it easy to see how the appearance of the Moon changes over time. A student made the following lunar calendar for 16 days, but it was cloudy on several nights.
A student is studying the partial lunar calendar. Which sequence of moon phases correctly represents the pattern in the appearance of the moon and completes the calendar?
- 19. Multiple Choice
Two students are discussing different ways to move a wagon filled with bricks
PART A: Choose one claim that explains the forces that cause the wagon to move.
Claim
A balanced force is need to move the wagon
An unbalanced force is needed to move the wagon
- 20. Multiple Choice
Two students are discussing different ways to move a wagon filled with bricks
PART B: Chose one plan that will result in the most motion of the wagon.
Plan
One student pulls the wagon forward while the other student pushes sideways on the wagon
One student pulls the wagon forward while the other student pushes the wagon in the opposite direction.
One student pushes the wagon forward while the other student pulls the wagon forward.
One student pushes the wagon forward while the other student pulls the wagon upward from the back of the wagon.
- 21. Multiple Choice
The diagram below represents the saltwater solution made by the student. When salt (NaCl) molecules are added to water (H2O), they break into one sodium (Na) particle and one chlorine (Cl) particle.
Chose the name of the solvent and solute
Solute = H2O Solvent=NaCI
Solvent = H2O Solute= NaCl
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