Exploring Variables in Experiments
Authored by Dana Jones
Science
7th Grade
DOK Level 2: Skill/Concept covered
Used 8+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mason is conducting an experiment to study the effect of different amounts of water on plant growth. Which of the following is the independent variable?
Type of plant
Amount of water
Growth rate of the plant
Type of soil
Tags
DOK Level 2: Skill/Concept
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Aria is investigating how temperature affects the rate at which ice melts. What is the dependent variable in this experiment?
Temperature
Amount of ice
Rate of melting
Type of container
Tags
DOK Level 2: Skill/Concept
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mia is conducting an experiment to determine how light intensity affects the growth of a plant. Which factor should be kept constant?
Light intensity
Type of plant
Growth rate
Amount of water
Tags
DOK Level 2: Skill/Concept
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Braxton is conducting an experiment to test the effect of temperature on the rate of a chemical reaction. Which of the following is an independent variable in her experiment?
Type of reactants
Temperature
Volume of reactants
Time of reaction
Tags
DOK Level 2: Skill/Concept
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Olivia is conducting a study to see how different surfaces affect the speed of a rolling ball. What is the dependent variable?
Type of surface
Mass of the ball
Speed of the ball
Angle of the surface
Tags
DOK Level 2: Skill/Concept
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When investigating the effect of light intensity on the rate of photosynthesis, which of the following should be a constant?
Light intensity
Type of plant
Rate of photosynthesis
Temperature
Tags
DOK Level 2: Skill/Concept
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Abigail is conducting an experiment to see how friction affects the distance a toy car travels. Which of the following is the independent variable?
Type of surface
Distance traveled
Weight of the car
Initial speed
Tags
DOK Level 2: Skill/Concept
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