WorksheetsData analysis in science
Total questions: 30
Worksheet time: 22mins
Using your senses to gather information is called an _____?
observation
inference
question
Explaining or interpreting the observations is called _____?
observation
inference
question
An observation that has a number is called a _________ observation?
inference
qualitative
observation
quantitative
An observation that uses words without numbers or amounts is called a _________ observation?
quantitative
qualitative
observation
inference
Which of the following is an example of a qualitative observation?
The cat weighs 34 kg
The clouds look grey and dark
The girl can run 15 mph
There are 50 states in the USA
Which observation is quantitative?
It is 5 cm long
It is smooth
It looks red
It is dry
The girl is folding her arms.
Observation
Inference
It's December.
Observation
Inference
The mother horse is teaching the foal how to scratch it's back. This is an example of
qualitative observation
quantitative observation
inference
There are 10 puppies in the picture. This is an example of a
quantitative observation
qualitative observation
inference
The lion wants to be friends. This is an example of an
quantitative observation
qualitative observation
inference
A cow is given a growth hormone and then compared to another cow that was not given a growth hormone. Both cows were weighed at 2 years. What is the INDEPENDENT variable?
amount of time
growth hormone
weight
type of cow
A cow is given a growth hormone and then compared to another cow that was not given a growth hormone. Both cows were weighed at 2 years. What is the DEPENDENT variable?
type of cow
amount of time
growth hormone
weight
What is the variable that is changed by the scientist?
Collision
Dependent variable
Exert
Independent variable
Mosquito repellent is sprayed on one arm and the other arm is not sprayed. The number of mosquito bites is counted after 2 hours.
What is the INDEPENDENT VARIABLE?
which arm
mosquito repellent
time
number of mosquito bites
Mosquito repellent is sprayed on one arm and the other arm is not sprayed. The number of mosquito bites is counted after 2 hours.
What is the DEPENDENT VARIABLE?
number of mosquito bites
time
mosquito repellent
which arm
Steve wanted to see if the type of fertilizer made sunflowers grow larger. What is the independent variable
Type of fertilizer
Size of sunflower
type of sun flower
Molly investigated if the age of students caused them to be better drivers. What is the independent variable?
Type of car
Skill of driving
Age of student
Molly investigated if the age of students caused them to be better drivers. What is the dependent variable?
Type of car
Skill of driving
Age of student
Sam wanted to know if the color of the chair you sat in when taking a test affected your test grade. What is the independent variable.
Age of students
Grade on test
Color or chair
Penelope wanted to see if the temperature of the oven made cookies softer or harder. What is the dependent variable.
Hardness of cookie
Type of oven
Temperature of oven
Mrs. Cote wanted to know if the iPhone could stand up against being dropped from different heights. She dropped them from 3 heights and saw if they broke. What is the independent variable?
If they had a case on them or not
If they broke
Drop height
On a small island, scientists kept track of the number of wolves and moose over time. Which trend did they record?
A drop in wolf population and a drop in moose population
An increase in wolf population and a drop in moose population
A drop in wolf population and an increase in moose population
An increase in wolf population and an increase in moose population
This chart shows the composition of lunar soil. Which element is third most abundant?
Silicon
Magensium
Impossible to tell
Iron
The data table shows the wind chill temperature (how cold the air feels) at different wind speeds and air temperatures. Wind speed is shown in miles per hour (mph). Air temperature and wind chill temperature are shown in degrees Fahrenheit (°F).
Which conditions would produce a wind chill of –24°F?
wind speed 20 mph; air temperature 0°F
wind speed 35 mph; air temperature 20°F
wind speed 25 mph; air temperature 0°F
wind speed 20 mph; air temperature 35°F
According to this chart, which plant seems to grow best in full or partial sun?
Geranium
Impatiens
Fuchsia
Trillium
According to this chart, in which condition does fuchsia grow best in?
Full sun
Partial sun
Partial shade
Dappled sun
Full shade
Which city has the highest average temperature in August?
Tokyo
New York
Berlin
London
The graph below represents the extinction rate of invertebrates (animals without a backbone) over the last 600 million years.
Based on the graph, it might be concluded that
there were fewer extinctions 600 million years ago than at present
the greatest invertebrate extinction rate occurred about 450 million years ago
the most recent peak in extinction rate affected the largest number of groups
the five greatest invertebrate extinction rates occurred every 100 million years
The graph below shows the results of an experiment in which a student measured her heart rate in beats per minute (bpm) before and after fi ve minutes of exercise. The experiment was repeated three times, with two minutes of rest in between each trial.
Which conclusion about heart rate can be supported by the data shown in the graph?
The before-exercise heart rate in trial 2 was 78 bpm.
The before-exercise heart rate increased 6 bpm after each trial
The heart rate after exercise increased 10 bpm after each trial.
The heart rate went up 64 bpm after exercise in trial 3.
