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Unit 1 Test: RA

Total questions: 81

Worksheet time: 43mins

Name
Class
Date
1.

Hannah is looking at a graph that shows the number of people living in her city over the past 200 years. According to the graph, population over time has —

a)

stayed about the same

b)

gone up at about the same rate

c)

increased quickly recently

2.
Joseph wants to know which brand of fish food will make his goldfish grow the largest. He has 15 goldfish in each of his three 10-gallon tanks. In tank #1 he fed the fish his usual fish food, GrowBig. In the tank #2 he fed the fish Goldfish Goodies fish food. In tank #3 he fed the fish Lets Eat fish food. All three tanks received 10 grams of food per day. After 6 weeks the goldfish who were fed GrowBig had grown an average of 2cm. The fish that ate Goldfish Goodies grew 4cm. The fish that ate Lets Eat fish food grew 1.5cm. What should Joseph do to verify his results?
a)
Feed the fish different amounts of food
b)
Increase the size of the tanks
c)
Repeat the experiment in the exact same manner
d)
Create a graph as a part of his anaylysis
3.

After conducting a science experiment, Hannah writes a summary of what she has learned. This summary is called a(n)

a)

hypothesis

b)

conclusion

c)

inquiry

4.

Priya is conducting a controlled experiment to find out what affects plant growth. In her experiment, how many variables should she test at a time?

(a)  

5.
1. propose and outcome 2. state the problem 3. make a conclusion 4. gather data Which of the following puts the steps of the scientific experiment in the correct order?
a)
4,2,3,1
b)
2,1,4,3
c)
2,3,1,4
6.
Choose the option that correctly completes the sentence that we use to help analyze an experiment: What is the effect of the _______________?
a)
control group on the experimental group.
b)
dependent variable on the independent variable.
c)
independent variable on the dependent variable.
7.
A student claims that the full Moon occurs about once a month. What process will verify the student’s claim?
a)
predicting
b)
hypothesizing
c)
observing
8.

Lily notices that every time she drops a ball, it falls to the ground, no matter where she is. A statement that describes what scientists expect to happen every time under a particular set of conditions is a:

a)

scientific law

b)

scientific journal

c)

scientific theory

9.
During an experiment, which factors must be controlled so that researchers can draw logical conclusions from an experiment?
a)
hypotheses
b)
variables
c)
inquiries
10.

Liam is studying a scientific theory in his class. What might cause Liam and other scientists to change this scientific theory?

a)

It is too old.

b)

New evidence contradicts it.

c)

Some people disagree with it.

11.

Abigail is conducting an experiment and collects a lot of data. One useful tool that may help Abigail interpret her data by visually representing patterns is

a)

graph

b)

law

c)

theory

12.
Students plan to use several rain gauges to compare average monthly rainfall on Virginia's Coastal Plain and Piedmont regions. Which of these variables should be manipulated?
a)
location of the gauge
b)
size of the gauge
c)
height of the gauge
13.

Grace is conducting an experiment to see how different amounts of sunlight affect plant growth. What is the factor that Grace is changing on purpose in her experiment?

a)

Dependent variable

b)

Constant

c)

Independent variable

14.

Emma wants to find out if plants grow faster with music. In science, her hypothesis must be

a)

controlled

b)

testable

c)

correct

15.
A well-tested explanation for a wide range of observations or experimental results is called a scientific
a)
hypothesis
b)
theory
c)
law
16.

During a science class, Samantha is asked to describe a basketball using only qualitative observations. Which of the following would NOT be an example of a qualitative observation?

a)

Orange and bumpy

b)

Round

c)

24.6 cm in diameter

17.
Jason conducted an experiment to investigate the effect of various colored lights on plant growth. Jason observed and collected data on his plants each week for six weeks. At the end of six weeks, his data showed that the plants grown under green light grew an average of 2.3 cm. The plants grown under red light grew an average of 9.7 cm. The plants grown under the blue light grew an average of 14.2 cm. Finally, the plants grown under white light grew an average of 12.9 cm. What axis on a graph would he place the height measurements?
a)
x-axis
b)
origin
c)
y-axis
18.

Ava manages a sheep farm and keeps records of how many lambs are born each year. According to her records, which year resulted in the most lambs born?

a)

2009

b)

2017

c)

2016

19.
A student hypothesizes that water from infrequently used school faucets contains more chemical impurities than the water from frequently used faucets. At the same time of day, the student uses a water test kit to measure the water impurities from the different faucets. Which is the manipulated variable in this investigation?
a)
The amount of water per sample
b)
The time of day when water is collected
c)
The locations of water collection
20.

What is the volume of the shark's tooth? (a)   mL (write in the number value below)

21.
Jason conducted an experiment to investigate the effect of various colored lights on plant growth. Jason observed and collected data on his plants each week for six weeks. At the end of six weeks, his data showed that the plants grown under green light grew an average of 2.3 cm. The plants grown under red light grew an average of 9.7 cm. The plants grown under the blue light grew an average of 14.2 cm. Finally, the plants grown under white light grew an average of 12.9 cm. What type of graph would best represent Jason's data?
a)
bar
b)
line
c)
pie
22.

Evelyn needs to measure the volume of a liquid for her science experiment. The best instrument for her to use is a —

a)

teaspoon

b)

graduated cylinder

c)

triple beam balance

23.

Benjamin is testing a new type of fertilizer to see if it helps plants grow faster. For his results to be considered accurate and reliable, how often should Benjamin repeat his experiment?

a)

Conducted only 1 time

b)

Repeated no more than 2 times

c)

Conducted as many times as possible

24.

Scarlett is planning a trip around the world and wants to follow an imaginary line that is drawn east and west halfway between the North and South Poles. What is this line called?

a)

Longitude

b)

Prime Meridian

c)

Equator

25.

Noah is planning a trip around the world and wants to know at which location he would cross the International Date Line. At which of the following is the International Date Line located?

a)

180 degrees latitude

b)

0 degrees latitude

c)

180 degrees longitude

26.

While hiking up a mountain, Aria noticed lines on her map that connect points of equal elevation. These lines are called —

a)

elevations

b)

isolines

c)

contour lines

27.
Ten pea plants were used to study the effect of fertilizer on plant growth. All ten pea plants were the same height at the beginning of the investigation and placed in the same type of soil. Each plant was also given the same amount of water and sunlight. Five of the pea plants were given 0.5 grams of dry fertilizer every day while the other five pea plants were given 1.0 ml of liquid fertilizer every day. What is a possible source of error in this experiment?
a)
There is no dependent variable present.
b)
There is no control group present.
c)
The plants were not examined daily.
28.

Henry is planning a virtual meeting with friends from different parts of the world. To make sure everyone joins at the right time, he wants to know: Into how many time zones is earth divided?

a)

24 time zones

b)

180 time zones

c)

12 time zones

29.

Abigail is planning a road trip and wants to visit Virginia. She looks at a map to find the coordinates for Virginia. Which of the following are the correct coordinates for Virginia?

a)

39° N, 76° E

b)

39° N, 76° W

c)

76° N, 39° W

30.
Which chart correctly identifies the movement the student made from start to finish?
a)
Start: 29 degrees North, 77 degrees West/Finish: 39 degrees North. 77 degrees West
b)
Start: 39 degrees North, 77 degrees West/Finish: 29 degrees North. 77 degrees West
c)
Start: 77 degrees West, 29 degrees North/Finish: 77 degrees West. 39 degrees North
31.

While hiking with a topographic map, Abigail notices the difference in elevation between two side-by-side contour lines. This difference is called the ____.

a)

contour interval

b)

depression contour

c)

index contour

32.

Liam is planning a hiking trip and wants to find the lowest point in the area shown on the contour map. Based on the map, which letter represents the lowest elevation?

a)

Point H

b)

Point A

c)

Point D

33.

Olivia is studying a contour map for her geography class. She notices the Green River on the map and wants to determine its flow direction. In what direction is the Green River flowing?

a)

Northeast

b)

Southeast

c)

Southwest

34.
A mountaineer is planning an expedition. He wants to follow the easiest possible path, which means he needs to find the most gentle slope up the mountain. Which route should the mountaineer choose?
a)
route B
b)
route C
c)
route D
35.
My penpal lives at 60oN latitude. At what point is she located?
a)
Point A
b)
not enough information is given
c)
point X
36.

Mia is planning a trip around the world and is using the map shown to plot her route. She notices the way the latitude and longitude lines are displayed. The type of map projection Mia is using is a(n)

a)

Conic Projection

b)

Mercator Projection

c)

Gnomonic Projection

37.

Rohan is planning a trip and wants to visit the location marked as X on the map above. At which coordinates is point X located?

a)

30oS, 150oW

b)

150oN, 60oW

c)

60oN, 150oW

38.

Henry is planning a hiking trip and needs to choose the right map. He notices that a topographic map differs from a road map in that the topographic map shows

a)

directions and distance.

b)

highways and expressways.

c)

elevation, relief, and slope

39.

Jackson is using a map to plan a hiking trip, and the scale on the map reads 1:24,000. What does this mean?

a)

one inch on the map equals 24,000 inches on the Earth

b)

1 foot on the map equals 24,000 inches on Earth

c)

24,000 inches on the map equals one inch on Earth

40.

Daniel is planning a hiking trip and wants to know the elevation at point A on the topographic map. What is the elevation of point A?

a)

1,600 ft.

b)

1,550 ft.

c)

1,700 ft.

41.
What is the approximate real-life distance between points B and C? (The black and white half of the scale is 1 mile and the white side of the scale is one mile. The ENTIRE graphic scale is 2 miles.)
a)
3 mi
b)
0.9 mi
c)
2 mi
42.
Choose the best option that represents the profile from point B to point C.
a)
Option 1
b)
Option 2
c)
Option 3
43.
The river shown on the topographic map flows fastest at point —
a)
1
b)
2
c)
3
44.

While planning a hiking trip, Charlotte notices some lines on the map that indicate depressions in the terrain. What are these lines called?

a)

meridians

b)

hachures

c)

contours

45.

Michael is planning a road trip from Richmond to Staunton. In what direction will he be traveling?

a)

Southwest

b)

Northwest

c)

Southeast

46.

Emma is looking at a world map using a Mercator projection and notices that Greenland appears larger than South America. Why does this happen?

a)

its land area is equal to that of South America.

b)

small land masses are distorted more than large ones.

c)

Mercator projections distort and enlarge areas near the poles.

47.
The latitude of the North Pole is —
a)
90° N
b)
90° S
c)
180° N
48.

David is studying a topographic map for his geography class. The map shows contour lines labeled 100 m, 200 m, 300 m, and 400 m. He wants to know the highest possible elevation shown on the map. What is the highest possible elevation shown?

a)

400 m

b)

499 m

c)

399 feet

49.

Emma is planning a hiking trip and wants to find a campsite north of a city that has a latitude of 38.0°N and a longitude of 25.0°W. Which coordinates should Emma choose to ensure her campsite is north of the city?

a)

25.0°N and 38.0°W

b)

38.0° N and 47.0°W

c)

47.0°N and 25.0°W

50.

Every time William drops a ball, he notices it falls to the ground, no matter where he is. A statement that describes what scientists expect to happen every time under a particular set of conditions is a

a)

scientific law

b)

scientific inquiry

c)

scientific theory

51.

Charlotte is measuring how the height of a plant changes over time. On her graph, the height of the plant is the dependent variable. The dependent variable goes on the:

a)

x-axis

b)

y-axis

52.

Nora is conducting an experiment to see how the amount of sunlight affects the growth of her plants. On her graph, the amount of sunlight should go on the:

a)

x-axis

b)

y-axis

53.

Mia is conducting an experiment to find out how the amount of sunlight affects the growth of her plants. The ________ is what Mia measures in her experiment.

a)

Hypothesis

b)

Control

c)

Independent Variable

d)

Dependent Variable

54.

Michael is conducting an experiment to see how different amounts of sunlight affect the growth of his plants. The ________ is what Michael wants to test the effects of.

a)

Hypothesis

b)

Control

c)

Independent Variable

d)

Dependent Variable

55.

Hannah is organizing her collection of beads and wants to group them using the same base as the metric system. What number should she use to group her beads?

a)

10

b)

20

c)

1

d)

100

56.

Luna is organizing her collection of measuring tools and notices that all the units increase by the same number each time. What number is the metric system based on?

a)

10

b)

20

c)

1

d)

100

57.

Abigail is measuring the length of her desk in science class using a metric ruler. She wants to record the measurement using the base unit of metric length. What unit should she use?

a)

Meter

b)

Liter 

c)

Kilogram

d)

milligram

58.

Maya is measuring water in a science lab using different containers. She wants to know the basic unit of metric volume. The basic unit of metric volume is called a_____.

a)

Kilogram

b)

milligram

c)

Liter

d)

milliliter

59.

Charlotte is baking a cake and needs to measure the mass of flour accurately. She wonders what the base unit for mass is in the metric system. The base for mass is the

a)

meter

b)

gram

c)

kilogram

d)

liter

60.

Kai wants to know the length of a key. He places the key next to a ruler as shown in the image. What is the length of the key?

a)

2 cm

b)

0 cm

c)

4 cm

d)

2 inches

61.

Kai is labeling ingredients for a science experiment. He needs to write the correct abbreviation for gram on the label. Which one should he use?

a)

G

b)

gg

c)

g

d)

gr

62.

Ava is conducting a science experiment and pours a blue liquid into a graduated cylinder, as shown in the image. What is the correct volume of the blue liquid?

a)

5 ml

b)

15 ml

c)

20 ml

d)

25 ml

63.

Nora is conducting an experiment in her science class. She uses a graduated cylinder to measure the __________ of a liquid.

a)

temperature

b)

mass

c)

volume

d)

length

64.

Emma is measuring the volume of a liquid in a graduated cylinder during her science experiment. Which is a step she should follow to read the graduated cylinder properly?

a)

Make sure the cylinder sits in the stand vertically.

b)

Be sure to hold it up to eye-level when reading.

c)

Read the water's volume by the bottom of the meniscus.

d)

Know the value of the scale for the sub-graduates.

65.

Lily is conducting an experiment in her science class. She pours water into a graduated cylinder and needs to record the volume. What is the volume of the water in this graduated cylinder?

a)

18 mL

b)

20.3 mL

c)

10.7 mL

d)

17 mL

66.

Jackson is comparing two rocks to see which one has more matter. What property should he measure?

a)

mass

b)

volume

c)

length

d)

density

67.

Jackson is measuring a blue rod for his science project. What is the length of the blue rod?

a)

27 cm

b)

28 cm

c)

27.3 cm

d)

27.5 cm

68.

Abigail is trying to find the DENSITY of a rock she found in her backyard. What two types of measurements does she need to make?

a)

Mass and Volume

b)

Temperature and Mass

c)

Grams and Centimeters

d)

Volume and Weight

69.

When Anika places a piece of wood in a bucket of water, it floats. Why does the wood float on water?

a)

it is warmer than water

b)

it is cooler than water

c)

it is more dense than water

d)

it is less dense than water

70.

Maya is conducting an experiment and needs to know the density of water to complete her calculations. What is the density of water?

a)

0 g/ml

b)

1 g/ml

c)

10 g/ml

d)

100 g/ml

71.

Maya has a water bottle that can hold 1000 milliliters of water. How many liters can her bottle hold?

a)

1 L

b)

10 L

c)

1000 L

d)

0.1 L

72.

Avery is measuring the length of a table. The table is exactly 1 meter long. How many centimeters long is the table?

a)

100 cm

b)

10 cm

c)

1 cm

d)

1000 cm

73.

Emma finds a block of aluminum that occupies a volume of 15 cm3 and has a mass of 40.5 g. What is its density?

a)

.37 g/mL

b)

605.5 g/mL

c)

2.7 g/mL

d)

25.5 g/mL

74.

Maya pours four different liquids into a jar, and they settle into layers as shown in the image. Put the liquids in order from most dense to least dense?

a)

4, 3, 2, 1

b)

1, 2, 3, 4

c)

3, 4, 2, 1, 

d)

4, 3, 1, 2

75.

Nora notices that when she puts ice cubes in her glass of water, they float on the surface. Why do the ice cubes float?

a)

Liquid water is less dense than solid water.

b)

Solid water is less dense than liquid water.

c)

Gaseous water is less dense than solid water.

d)

Liquid water is less dense than gaseous water.

76.
Jack has a rock. The rock has a mass of 14 g and a volume of 2 cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
77.

Lily is conducting a science experiment and needs to measure small volumes of liquid accurately. What metric unit of measurement should she use?

a)

matter

b)

cubic centimeter

c)

mass

d)

milliliter (mL)

78.

Luna is using a digital scale in her kitchen to measure the amount of sugar needed for a recipe. What metric unit of measurement should she use to measure small amounts of mass?

a)

volume

b)

cubic centimeter

c)

gram

79.

Samuel finds a block with a mass of 54g and a volume of 20cm3. What is the density of the block?

a)

74 g/cm3

b)

1080 g/cm3

c)

34 g/cm3

d)

2.7 g/cm3

80.

Rohan fills a balloon with helium and lets it go. The balloon rises into the sky. This happens because

a)

helium is less dense than air

b)

helium is more dense than air

c)

helium is cooler than air

d)

helium is warmer than air

81.

Grace has two boxes that look the same size, but one feels much heavier than the other. She wonders why this is the case. Which of the following best explains what density is?

a)

The amount of stuff in an object

b)

The amount of space an object takes up

c)

A measure of the force of gravity on an object

d)

The amount of matter (mass) packed into a space (object)