NATURE OF SCIENCE: Understanding variables 2

Quiz
•
Science
•
6th - 8th Grade
•
Medium
Peter Carson
Used 15+ times
FREE Resource
14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A student experiments with a pendulum. She wants to use a stopwatch to time how long it takes for the pendulum to complete a full swing. She repeats each measurement three times. She also decides to change the mass to see if it changes the swing time.
The independent or changed variable in her activity is
using a stopwatch
changing the string length
changing the mass of the pendulum
the time for one complete swing
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A student experiments with a pendulum. She wants to use a stopwatch to time how long it takes for the pendulum to complete a full swing. She repeats each measurement three times. She also decides to change the mass to see if it changes the swing time.
The dependent or measured variable in her activity is
using a stopwatch
changing the string length
changing the mass of the pendulum
the time for one complete swing
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
A student experiments with a pendulum. She wants to use a stopwatch to time how long it takes for the pendulum to complete a full swing. She repeats each measurement three times. She also decides to change the mass to see if it changes the swing time.
A variable she must keep the same (or control) in her activity is
using the same stopwatch
the number of times she repeats
the length of the pendulum
all of these things
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
A student experiments with a pendulum. She wants to use a stopwatch to time how long it takes for the pendulum to complete a full swing. She repeats each measurement three times. She also decides to change the mass to see if it changes the swing time.
The aim of her activity is
Using a stopwatch to time a pendulum swing
How does a pendulum work?
Does the mass of a pendulum effect the time it takes to swing?
Does the length of a pendulum effect the time it takes to swing?
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A student experiments with pea seeds. He wants to use a 30cm ruler to measure the height of the pea plants as they grow. He repeats each measurement three times. She also decides to change the volume of water he will pour on the seeds every 2 days.
A variable she must keep the same (or control) in her activity is
measuring the heights of the seed
the number of times he repeats
using a ruler to measure the height of the growing plants
watering the plants every two days
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A student experiments with pea seeds. He wants to use a 30cm ruler to measure the height of the pea plants as they grow. He repeats each measurement three times. She also decides to change the volume of water he will pour on the seeds every two days.
The independent or change variable in her activity is
the time it takes for a pea seed to grow
the number of times he repeats
the speed a pea seed grows
the volume of water given to the pea plants
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A student experiments with pea seeds. He wants to use a 30cm ruler to measure the height of the pea plants as they grow. He repeats each measurement three times. She also decides to change the volume of water he will pour on the seeds every two days.
The dependent or measured variable in her activity is
the time it takes for a pea seed to grow
the number of times he repeats
the height of the pea plants
the volume of water given to the pea plants
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