WorksheetsUnit 1 Test: RA
Total questions: 81
Worksheet time: 43mins
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 —
stayed about the same
gone up at about the same rate
increased quickly recently
After conducting a science experiment, Hannah writes a summary of what she has learned. This summary is called a(n)
hypothesis
conclusion
inquiry
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)
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:
scientific law
scientific journal
scientific theory
Liam is studying a scientific theory in his class. What might cause Liam and other scientists to change this scientific theory?
It is too old.
New evidence contradicts it.
Some people disagree with it.
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
graph
law
theory
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?
Dependent variable
Constant
Independent variable
Emma wants to find out if plants grow faster with music. In science, her hypothesis must be
controlled
testable
correct
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?
Orange and bumpy
Round
24.6 cm in diameter
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?
2009
2017
2016
What is the volume of the shark's tooth? (a) mL (write in the number value below)
Evelyn needs to measure the volume of a liquid for her science experiment. The best instrument for her to use is a —
teaspoon
graduated cylinder
triple beam balance
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?
Conducted only 1 time
Repeated no more than 2 times
Conducted as many times as possible
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?
Longitude
Prime Meridian
Equator
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?
180 degrees latitude
0 degrees latitude
180 degrees longitude
While hiking up a mountain, Aria noticed lines on her map that connect points of equal elevation. These lines are called —
elevations
isolines
contour lines
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?
24 time zones
180 time zones
12 time zones
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?
39° N, 76° E
39° N, 76° W
76° N, 39° W
While hiking with a topographic map, Abigail notices the difference in elevation between two side-by-side contour lines. This difference is called the ____.
contour interval
depression contour
index contour
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?
Point H
Point A
Point D
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?
Northeast
Southeast
Southwest
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)
Conic Projection
Mercator Projection
Gnomonic Projection
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?
30oS, 150oW
150oN, 60oW
60oN, 150oW
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
directions and distance.
highways and expressways.
elevation, relief, and slope
Jackson is using a map to plan a hiking trip, and the scale on the map reads 1:24,000. What does this mean?
one inch on the map equals 24,000 inches on the Earth
1 foot on the map equals 24,000 inches on Earth
24,000 inches on the map equals one inch on Earth
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?
1,600 ft.
1,550 ft.
1,700 ft.
While planning a hiking trip, Charlotte notices some lines on the map that indicate depressions in the terrain. What are these lines called?
meridians
hachures
contours
Michael is planning a road trip from Richmond to Staunton. In what direction will he be traveling?
Southwest
Northwest
Southeast
Emma is looking at a world map using a Mercator projection and notices that Greenland appears larger than South America. Why does this happen?
its land area is equal to that of South America.
small land masses are distorted more than large ones.
Mercator projections distort and enlarge areas near the poles.
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?
400 m
499 m
399 feet
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?
25.0°N and 38.0°W
38.0° N and 47.0°W
47.0°N and 25.0°W
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
scientific law
scientific inquiry
scientific theory
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:
x-axis
y-axis
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:
x-axis
y-axis
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.
Hypothesis
Control
Independent Variable
Dependent Variable
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.
Hypothesis
Control
Independent Variable
Dependent Variable
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?
10
20
1
100
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?
10
20
1
100
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?
Meter
Liter
Kilogram
milligram
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_____.
Kilogram
milligram
Liter
milliliter
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
meter
gram
kilogram
liter
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?
2 cm
0 cm
4 cm
2 inches
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?
G
gg
g
gr
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?
5 ml
15 ml
20 ml
25 ml
Nora is conducting an experiment in her science class. She uses a graduated cylinder to measure the __________ of a liquid.
temperature
mass
volume
length
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?
Make sure the cylinder sits in the stand vertically.
Be sure to hold it up to eye-level when reading.
Read the water's volume by the bottom of the meniscus.
Know the value of the scale for the sub-graduates.
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?
18 mL
20.3 mL
10.7 mL
17 mL
Jackson is comparing two rocks to see which one has more matter. What property should he measure?
mass
volume
length
density
Jackson is measuring a blue rod for his science project. What is the length of the blue rod?
27 cm
28 cm
27.3 cm
27.5 cm
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?
Mass and Volume
Temperature and Mass
Grams and Centimeters
Volume and Weight
When Anika places a piece of wood in a bucket of water, it floats. Why does the wood float on water?
it is warmer than water
it is cooler than water
it is more dense than water
it is less dense than water
Maya is conducting an experiment and needs to know the density of water to complete her calculations. What is the density of water?
0 g/ml
1 g/ml
10 g/ml
100 g/ml
Maya has a water bottle that can hold 1000 milliliters of water. How many liters can her bottle hold?
1 L
10 L
1000 L
0.1 L
Avery is measuring the length of a table. The table is exactly 1 meter long. How many centimeters long is the table?
100 cm
10 cm
1 cm
1000 cm
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?
.37 g/mL
605.5 g/mL
2.7 g/mL
25.5 g/mL
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?
4, 3, 2, 1
1, 2, 3, 4
3, 4, 2, 1,
4, 3, 1, 2
Nora notices that when she puts ice cubes in her glass of water, they float on the surface. Why do the ice cubes float?
Liquid water is less dense than solid water.
Solid water is less dense than liquid water.
Gaseous water is less dense than solid water.
Liquid water is less dense than gaseous water.
Lily is conducting a science experiment and needs to measure small volumes of liquid accurately. What metric unit of measurement should she use?
matter
cubic centimeter
mass
milliliter (mL)
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?
volume
cubic centimeter
gram
Samuel finds a block with a mass of 54g and a volume of 20cm3. What is the density of the block?
74 g/cm3
1080 g/cm3
34 g/cm3
2.7 g/cm3
Rohan fills a balloon with helium and lets it go. The balloon rises into the sky. This happens because
helium is less dense than air
helium is more dense than air
helium is cooler than air
helium is warmer than air
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?
The amount of stuff in an object
The amount of space an object takes up
A measure of the force of gravity on an object
The amount of matter (mass) packed into a space (object)
