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vocabulary
variables
general knowledge
hypothesis
questions
100
an observation that involves numbers
What is Quantitative
100

In the situation; "Molly wants to see which material-popsicle sticks or tooth picks-will build the strongest bridge". What variable is the strength of the bridge?

What is dependent variable

100

the actual steps of your experiment are called

What is procedure

100

a hypothesis should be written as...

What is an if-then statement

100

a good scientific question must be

What is testable/measurable

200
an educated guess
What is hypothesis
200

In the situation; "Will my bananas turn brown quicker in the dark pantry or sitting out on the counter?" Which variable is the location?

What is Independent variable

200

how is the constant variable different than the independent variable

The constant stays the same the independent changes

200
In the situation; "The plant that was given filtered water grew 3 inches over one month. The plant that was given unfiltered water grew 5 inches in the same amount of time. All other variables were the same" What should your hypothesis be?
Answers will vary. What is Ex:If I give plants unfiltered water, then they will grow taller.
200

Why is the following question not testable? "Will the rabbit hop away if it is scared?"

What is it is an emotion and emotions cannot be tested.

300
an observation that involves a description
What is qualitative
300
In the situation; "Will warm or cold water freeze faster?" Which variable is the type of liquid?
What is constant variable
300

"The grass was green and very tall." Is this a quanitative or qualitative observation

What is a qualitative observation

300
In the situation; "When we placed a moving toy on the floor the rat chased it. When I put a toy on the floor that didn't move, the rat showed no intrest." What should your hypothesis be?
Answers will vary.What is Ex: If I give a rat a moving toy, then it will chase it.
300

Is the following question testable? Why or why not? "Will the construction paper get hotter than the computer paper when it sits in the sun?"

What is Yes, you can use a thermometer to measure temperature.

400
a universal system to test ideas and theories
What is scientific method
400
In the situation "Do footballs made of leather or plastic last longer?" Which is the dependent variable?
What is how long it lasts
400

Raul walks into his kitchen to find milk spilled all over the floor...He thinks his little brother was trying to get milk by himself. He is making an

What is inference

400
In the situation; "When I use liquid laundry detergent I break out with a rash, powdered laundry detergent does not bother me at all." What should your hypothesis be?
Answers will vary. What is Ex: If I use liquid laundry detergent, then I will break out in a rash.
400

Why is the following question not testable? "Do boys or girls like tacos better?"

What is it is an opinion

500
a variable that is purposfully changed in the experiment
What is independent variable
500
In the situation; "Which material will keep the heat in longer-metal or glass?" What is the independent variable?
What is material (metal/glass)
500

What is the difference between an inference and prediction?

an inference is an educated guess based on current observations, a prediction is a random guess about the future.

500

In the situation: "When my kids wear brand A sandals their feet and sandals smell really bad, this doesn't happen when I use brand B." What should your hypothesis be?

Answers will vary. What is Ex: If i buy brand A shoes for my kids, then they will have smelly feet.

500

Is the following question testable? Why or why not? "Which brand of paper towel will absorb more water-generic or name brand?"

What is yes, you can measure how much water it soaks in or absorbs