UNIDAD EDUCATIVA MONTE TABOR – NAZARET Science Area

Academic Reinforcement Activities

2 015 – 2 016

NAME: _________________________________________

DATE: ________________ TEACHER: __________________ GRADE: 6th_____

Instrucciones sobre las actividades de refuerzo:

Estas actividades de refuerzo académico tienen como objetivo mejorar el desempeño

académico de los estudiantes que han obtenido una nota inferior a 7/10 en el examen

quimestral y/o en el promedio quimestral, lo cual indica de acuerdo a la escala

cualitativa de evaluación que el estudiante está próximo a alcanzar los aprendizajes

requeridos o no ha alcanzado los aprendizajes requeridos. La actividad desarrollada

debe entregarse al profesor de la asignatura en la primera hora de clases de esa

asignatura. Se realizará una retroalimentación del trabajo y la calificación

corresponderá a la tarea del primer parcial del primer quimestre.

In order to do all the activities in this reinforcement you can consult your

textbook, worksheets and book.

Circle the correct answer. (0.02 each item)

1. Scientists make observations, conduct experiments, and draw

conclusions. Which statement is true of all scientists?

Scientists study living things.

Scientists study the natural world.

Scientists study items found on Earth.

Scientists study things found in outer space.

2. Kim places a cup of water and a cup of cooking oil in the freezer. Every

30 min, Kim checks the cups. She records the time when the liquid in

each cup freezes. Which question is Kim investigating?

Which liquid freezes faster, water or cooking oil?

Which liquid tastes better frozen, water or cooking oil?

Which item floats better, frozen water or frozen cooking oil?

Which item melts faster, frozen water or frozen cooking oil?

Contenido: Caligrafía: Presentación: Ortografía:

10

3. Kwan asks people in his class to report how many times per week they

recycle. Kwan asks friends in two other classes to collect reports from

their classmates, too. What is true about Kwan’s investigation?

It involves collaboration.

It follows the scientific method.

It produces results that don't change.

It explains why people recycle.

4. Franz wants to investigate moon craters. He drips water into a shallow

pan of flour. He holds the dropper at a different height each time he

moves to a new area of the pan. Franz observes that the water drops

make dents of differing sizes in the flour. Which type of experiment is

Franz conducting?

modeling classifying

surveying directly studying

5. A scientist looks at a graph of the results of his experiment. He draws a

conclusion about the results. What is one way the scientist uses his

conclusion?

to decide whether his results are correct

to decide whether his hypothesis is correct

to decide whether he should make a different conclusion

to decide whether he should share his results with others

6. Michi places a beaker of water in sunlight and measures how the water

temperature changes. Which unit of measurement will Michi use to

record his data?

grams

centimeters

degrees Celsius

cubic centimeters

7. Lataya collects one leaf from each tree around the school. What would

be the best way for Lataya to find out which leaf has the greatest mass?

Hold the leaves, two at a time, in her hands.

Find the mass of each leaf in a pan balance.

Lay each leaf on a table beside a measuring tape.

Hang all of the leaves together from a spring scale.

8. Devon, Margarita, Renee, and Malik make muffins. They wonder whose

muffins have the greatest diameter. Devon measures the diameter of his

muffins with a meter stick. Margarita places jellybeans end to end. Renee

uses coins, and Malik uses paper clips. Which method uses a standard

measure?

meter stick jellybeans

coins paper clips

9. Ms. Nguyen’s science class is studying measurement. She asks the

students to measure the distance around a football from tip to tip. Which

tool should the students use?

10. Four classmates measure the weight of the same sample of rock salt.

Which measurement is most exact?

1 kg 0.894 kg

0.89 kg 0.8937 kg

11. Cyrus wants to measure the classroom to create a model of it. Which of

the following methods will give the most accurate measurement?

use a metric tape measure

measure the room in foot paces

use the same measurements that the class next door used

measure the room using the number of tiles on the floor

12. Four students in Mrs. Mott’s class each write an explanation of a 3-D

model of a classroom. Their goal is to help people understand how much

total space there is in the classroom. Which of the following descriptions

accomplishes the goal?

The classroom measures 5 m by 5 m.

The six classroom windows measure 1 m by 1.5 m.

The length of the classroom is 5 m long and 9 m high.

The floor plan measures 5 m by 5 m, and the height is 9 m.

13. Claude made a 2-D model of the length and width of a classroom.

Shayne made a 3-D diorama. Which of the following describes how the

models are different?

Claude’s model does not show the sides of the walls of the

classroom.

Only Claude could use a meter stick to take measurements for his

model.

Only Shayne’s model shows the floor of the classroom.

Only Shayne’s model shows the length and width of the room.

14. Jenna makes a 2-D picture model on a computer. Alfonso makes a 3-D

diorama model. Which of the following best describes the difference

between the two models?

Jenna’s model shows only a view from the top of the classroom.

Alfonso’s model shows only the floor plan of the classroom.

Jenna’s model cannot show the placement of objects in the

classroom.

Alfonso’s model cannot show the placement of objects in the

classroom.

15. Kareem has made a model of his classroom and says that in his model,

the length of the classroom is twice the height of the ceiling. How could

Kareem know that his statement is correct?

He has compared his model to another student’s model.

He has accurately measured the length and width of the classroom.

He has used a meter stick to measure the height of each desk in the

classroom.

He has taken accurate measurements of the length and height of

the classroom.

16. Ms. Ybarra’s class is studying how corn plants grow. She asks the

students to find ways to measure a plant. Which method of measurement

is based on a nonstandard tool?

ruler to measure the length of the roots and stem

scale to weigh the amount of corn that the plant produces

crayons to record how green the plant’s leaves are

measuring cup to determine how much water the plant uses

17. Myrna is making a large batch of chili. The recipe calls for 2 kg of ground

beef. She does not have a kitchen scale, and she has a large, unmarked

package of beef. Which nonstandard method of measurement will help

Myrna determine how much beef is equal to 2 kg?

Fill a 4-qt saucepan with beef.

Compare the weight of the beef to three large apples.

Compare the weight of the beef to a 2-kg package of flour.

Use the same length, width, and height of beef as a large loaf of

bread.

18. Brian is washing dishes after breakfast. What should Brian do to

conserve water while he is washing dishes?

Turn off the water until it is time to rinse.

Use a soft sponge to wash the dishes.

Use cold water to wash and hot water to rinse.

Ask someone to dry the dishes after he washes them.

19. Tamika goes hiking and sees an interesting rock formation. The

formation looks like it has many different layers. What category of rock

did she find?

conglomerate metamorphic

igneous sedimentary

20. Chloe often tells her brother to turn off the lights in their home. She tells

him it is important to conserve energy. Why is it important to conserve

energy?

Energy cannot be purchased in small amounts.

Energy most often comes from renewable resources.

Energy most often comes from nonrenewable resources.

Energy is very difficult to bring into the home.

21. One of Florida’s most abundant resources can be collected and turned

into electricity for homes and businesses.

Which Florida resource is being collected in this picture?

solar energy

wave energy

wind energy

water energy

22. Water is a renewable resource found in Florida. The state is surrounded on three sides by the Atlantic Ocean and the Gulf of Mexico. It is also home to many inland freshwater lakes and rivers. What makes water a renewable resource?

It does not cause pollution.

It is constantly recycled so it can be used again.

It is necessary for all plants and animals to live.

It takes hundreds of years for water to be created after it is used.

23. The mineral below is soft enough to scratch with your

fingernail. It is made up of many thin sheets that can

be pulled apart into large flakes.

What mineral is shown?

diamond mica

gold quartz

24. Look at the illustration. Long ago, this creature was

caught in muck, a slimy mud, on a sea floor before it

turned to rock.

Which of these words tells what this item is today?

fossil outcrop

layer shell

25. A group of students identified some mineral samples and used the table

below to display their findings. During their investigation, one mineral

caused a compass needle to turn away from North.

What was the mineral?

calcite magnetite

graphite mica

Mineral Luster Streak Other characteristics

calcite glassy white bubbles when cold dilute hydrochloric acid is dropped on it

graphite metallic black feels greasy

magnetite metallic black magnetic

mica nonmetallic none peels into thin flakes

talc nonmetallic white to very pale green

feels greasy

26. You have a colorless mineral that you want to identify. You cannot

scratch the mineral with your fingernail, which has a hardness of about

2.5, but you can scratch it with a steel nail. The hardness of a steel nail is

about 5.5.

Based on the information in the table, which mineral could your sample

be?

calcite hematite

feldspar quartz

27. A steel nail can scratch a certain mineral. A copper penny cannot scratch

the same mineral. Which statement is true about the mineral?

It is softer than copper and steel.

It is harder than copper and steel.

It is harder than steel, but softer than copper.

It is harder than copper, but softer than steel.

28. The action of ocean waves and currents can change Earth’s surface.

Which of the following landforms is created by ocean waves and

currents?

Mineral Hardness Streak Color

gold 2.5 to 3 yellow yellow

calcite 3 white colorless or white

hematite 5.5 to 6.5 reddish-brown silver-gray or red

feldspar 6 none colorless or pink

pyrite 6 to 6.5

greenish-black

yellow

quartz 7 none colorless, pink, brown, and many other colors

29. Erosion and weathering are different processes that involve some of the

same agents, such as wind, water, and ice. How is erosion different from

weathering?

Erosion is slower than weathering.

Erosion is faster than weathering.

Erosion breaks rocks and weathering moves rocks.

Erosion moves rocks and weathering breaks rocks.

30. Zack studies the categories of rocks during science class.

He knows that not all kinds of rock are formed in the same

way. He sees this illustration on a worksheet.

What title should Zack put on this illustration?

weathering

the complete rock cycle

how igneous rock is formed

how metamorphic rock is formed

31. What kind of landform forms on a beach and is caused by wind erosion?

landslide moraine

sand dune sinkhole

32. Many rocks contain gaps or cracks. In the diagram below, notice the

relationship between the rock and the plant.

Which statement describes what will happen to the

rock and the plant over time?

The rock will crush the plant.

The plant will be buried in the crack.

The plant will grow, and the crack will get

bigger.

The rock will stop the plant from growing bigger.

33. If you look closely at beach sand, you will see that it is made up of tiny

rocks and other materials. How is this sand on an ocean beach formed?

Alluvial fans create the sand.

Waves weather rocks and shells.

Wind blows sand from nearby deserts.

Landslides bring sand down from cliffs.

34. Smith Elementary installs a new system for students to use to buy their

school lunches. Each student receives a card like the one shown below.

What must be true about the material in the card reader at the lunch

counter?

The card reader has plastic inside that reads the magnetic strip.

The card reader has wood inside that reads the magnetic strip.

The card reader has glass inside that reads the magnetic strip.

The card reader has material with iron or steel that reads the

magnetic strip.

35. Cora observes some items in her science kit. When she moves a stone,

a paper clip in the kit moves toward the stone. Which type of force

causes the paper clip to move toward the stone?

a magnetic force attracting metal

the sun lighting items near Earth

friction acting on objects that are moving

a magnetic force causing like poles to repel

36. Bar magnets and electromagnets have similarities and differences.

Which of these correctly describes one difference between bar magnets

and electromagnets?

Bar magnets have a magnetic field, but electromagnets do not.

Electromagnets are temporary, but bar magnets are permanent.

Electromagnets have two poles, but bar magnets have only one

pole.

Bar magnets have two poles, but electromagnets have only one

pole.

37. A magnet and a paper clip are on a desk. What distance between the

magnet and the paper clip would result in the strongest magnetic

attraction?

2 cm 7 cm

4 cm 9 cm

38. Riley makes three balls out of modeling clay. He puts all of the clay balls

on a balance and measures the total mass as 56 g. He then pushes the

clay into one big ball and measures its mass. Which of the following

would be a reasonable mass for the entire ball?

53 g

55 g

56 g

59 g

39. Chang uses a balance to measure the mass of a toy truck. He records

the mass in the table below. He then takes the truck apart and places all

the parts on the balance.

What will Chang most likely record on his chart as the mass of the

truck’s parts?

86 g

88 g

92 g

98 g

40. Velocity is a measurement related to motion. What is velocity?

the rate at which acceleration changes

a force that opposes motion between two surfaces that are touching

a measure of both the speed and direction of a moving object

a measure of how fast something moves; velocity is the same as

speed

41. To make sure your measurements are clear, it is important to use

appropriate units. Which of these is a unit of speed?

grams per liter (g/L)

miles per hour (mph)

liters per minute (L/min)

hours per kilogram (hr/kg)

42. Forces can affect the rate of an object’s motion. Which of these is a

force?

acceleration speed

friction velocity

43. A train travels 200 km in the same direction in 2 hr. What is this train’s

velocity?

2 km/hr 200 km/hr

100 km/hr 400 km/hr

44. Kinan ran for 1 mi at a speed of 8 min/mi. How long did it take Kinan to

run 4 mi at the same rate?

2 min 32 min

8 min 64 min

45. Ashwath walked for 3 hr at a speed of 10 km/hr. How far did Ashwath

walk?

3 km 30 km

10 km 300 km

46. Astronauts in outer space float because one of the forces we experience

on Earth is very small in space. Which force is it?

gravity velocity

friction acceleration

47. Whitney walks from her house to school, a distance of 1 mi. It takes her

14 min. How long will it take Whitney to walk home from school if, on her

way, she walks at a rate of 1 mi/7 min?

7 min 21 min

14 min 28 min

48. The following line graph shows an object’s

distance over time.

What is happening to the object between points

W and X?

It is not moving.

It is speeding up.

It is slowing down.

It has acceleration.

49. Three students are in a race. The students’ starting points and the finish

line are shown in the following diagram.

Which runner will win the race?

Runner A will win the race.

Runner B will win the race.

Runner C will win the race.

It will be a three-way tie.

50. The diagram below shows two heavy balls

being held in position with four ropes.

Which rope, if cut, will flip the box upward?

rope R rope T

rope S rope U

Bonus Points

1. Three trains, all traveling from different directions, are heading toward

the same destination. All three trains left at the same time and travel at

constant speeds. The velocity and distance from the destination of each

train are shown.

Which train will reach the destination first?

Train A will be first.

Train B will be first.

Train C will be first.

All three trains will reach the destination at the same time.

2. Three people are traveling in their cars heading toward the supermarket.

All three cars left at the same time and travel at constant speeds. The

velocity and distance of each car are shown.

Which car will reach the supermarket first?

Car A will be first.

Car B will be first.

Car C will be first.

All the cars will reach the supermarket at the same time.

3. Benny drops a ball off a bridge. The ball drops straight down, as shown

in the diagram.

What happens to the ball as it falls?

Its speed and acceleration stay the same.

Both its speed and acceleration increase.

Its speed decreases, but its acceleration increases.

Its speed increases, but its acceleration decreases.

4. What are the division processes of the cell?

photosynthesis and digestion

respiration and photosynthesis

mitosis and meiosis

growth and mitosis