Experimental Design Practice
Authored by Nicole Jacobson
Science
7th Grade
NGSS covered
Used 1+ times
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5 questions
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1.
CATEGORIZE QUESTION
3 mins • 1 pt
A student is testing to see if using salt water on tomato plants will have an effect on how many tomatoes they produce.
Groups:
(a) Independent Variable
,
(b) Dependent Variable
,
(c) Constants
Number of tomatoes produced
Salt Water
type of soil
type of tomato plants
amount of water
Tags
NGSS.MS-LS1-5
NGSS.MS-LS2-1
2.
CATEGORIZE QUESTION
3 mins • 1 pt
A student is testing to see if keeping bread in a sealed plastic bag helps it last longer (no mold growth) compared to when the bread is open to the air.
Groups:
(a) Independent Variable
,
(b) Dependent Variable
,
(c) Constants
type of bread
temperature of the room
sealed plastic bag
amount of mold growth
age of bread
Tags
NGSS.MS-LS1-5
NGSS.MS-LS2-1
3.
CATEGORIZE QUESTION
3 mins • 1 pt
A student athlete is testing to see if drinking a sports drink before a soccer game helps her score more goals.
Groups:
(a) Independent Variable
,
(b) Dependent Variable
,
(c) Constants
same position on field
weather conditions
amount of rest time before the game
number of goals scored
drinking a sports drink before a game
4.
CATEGORIZE QUESTION
3 mins • 1 pt
A scientist/mom is testing to see if the amount of screen time her child receives affects their ability to focus later on in the day.
Groups:
(a) Independent Variable
,
(b) Dependent Variable
,
(c) Constants
same child
time of day
amount of screen time
type of activity to focus on
ability to focus
5.
CATEGORIZE QUESTION
3 mins • 1 pt
A group of doctors are testing to see if the flu vaccine for this year is effective in preventing the flu.
Groups:
(a) Independent Variable
,
(b) Dependent Variable
,
(c) Constants
age of participants
getting the flu vaccine
health of participants
number of vaccinated people who got the flu
time of year
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