Scientific Method

Multiple Select

Which of these are effective scientific questions?

• How many countries are there?

• Can yogurt keep my dog from farting?

• What type of fruits attract wasps the most?

• What are humans?

Multiple Choice

Which of these are effective scientific questions?

• Which colour light helps plants grow best?

• What type of car do you have?

• How tall are you?

• Blue light helps plants grown fastest?

Multiple Choice

What does DNA stand for?

• Distantness Awareness

• Diaspora Nullification Apparel

• Difficult Nuclear Answers

• Deoxyribonucleic acid

Multiple Choice

Newton's second law states that:

• E=MC²

• Force = Mass x Acceleration

• a² + b² = c²

• What goes up must come down

Multiple Choice

Which is an appropriate hypothesis?

• Does the teacher's presence affect the noise level in a classroom?

• If I measure classroom noise when the teacher is present and when he leaves, then it will be noisier when the teacher is not there.

• My class will be noisy when my teacher isn't there.

• Teacher + class = quiet environment

Multiple Choice

Which is an appropriate hypothesis?

• If I increase the current in an electric motor, then it will spin faster.

• If I increase the electric current, I wonder if that will make the motor spin faster

• More electricity means more movement

• Does more electricity increase how quickly a motor spins?

https://www.youtube.com/watch?v=XRFrXNJCviQ&rco=1&ab_channel=HomeScience

Open Ended

What can we imply from these test results?

The plants under the red lights grew 2cm after 1 week
The plants under the orange light grew 5 cm after 1 week
The plants under the blue light did not grow after 1 week
The plants under the yellow light died after 1 week

Open Ended

What can we imply from these test results?
After 1 hour, 5 wasps had landed on the strawberries
After 1 hour, 17 wasps had landed on the orange slices
After 1 hour, 1 wasp had landed on the banana

Multiple Choice

If I leave 5 different fruits in the sun, then more wasps will be attracted to the strawberries.
What is the independent variable?

• I like fruit too!

• The time of day

• The type of fruit

• The location of the fruit

Multiple Choice

If I leave 5 different fruits in the sun, then more wasps will be attracted to the strawberries.
What is the dependent variable?

• I like wasps

• The species of wasp

• The type of fruit

• The number of wasps

Multiple Select

If I leave 5 different fruits in the sun, then more wasps will be attracted to the strawberries.
Which two are control variables?

• The types of fruit

• The number of wasps

• The size of fruit sample

• The location of the fruit samples

Multiple Choice

If I cycle to school every, then I will be able to concentrate for longer in class.
Which is the independent variable?

• The method of coming to school

• The teacher

• The weather

• The school

Multiple Choice

If I cycle to school every, then I will be able to concentrate for longer in class.
Which is the dependent variable?

• The method of coming to school

• The teacher

• The length of time I can concentrate

• My test scores

Multiple Select

If I cycle to school every, then I will be able to concentrate for longer in class.

Which two are control variables?

• The distance I travel to school

• The type of bike I use

• How long I spend on TikTok

• I like bikes