WorksheetsUnit 7 Review 3rd/4th
Total questions: 15
Worksheet time: 8mins
What is innovation?
Doing things the same way every time
Coming up with new ideas or methods
Copying someone else's idea
Avoiding change
Which of the following is a step in the scientific method?
Guessing
Asking a friend
Conducting an experiment
Ignoring data
What is the first step in problem-solving?
Finding someone to blame
Identifying the problem
Taking a nap
Celebrating
What does it mean if something is subjective?
It is based on facts
Everyone agrees on it
It is based on personal feelings or opinions
It can be proven right or wrong
What does it mean if something is objective?
It changes depending on who you ask
It is based on personal preference
It is not influenced by personal feelings
It is always incorrect
What is a pro of using electric cars like Tesla?
They use a lot of gasoline
They produce more pollution
They reduce dependence on fossil fuels
They are louder than traditional cars
What is a con of using electric cars?
They can drive themselves
They have limited range compared to gasoline cars
They are too fast
They are too colorful
Who is known for revolutionizing the smartphone industry?
Elon Musk
Jeff Bezos
Steve Jobs
Bill Gates
What company is Jeff Bezos associated with?
Apple
Microsoft
Amazon
Tesla
What is a major innovation in e-commerce brought by Amazon?
Physical stores
One-click shopping
Cash payments
In-store pickup
Why is the scientific method important?
It makes experiments more fun
It provides a structured approach to discovery
It allows scientists to skip steps
It makes experiments unnecessary
What is a benefit of problem-solving steps?
They ensure problems remain unsolved
They provide a clear path to a solution
They make problems bigger
They are only used by scientists
What is a disadvantage of subjective opinions in science?
They make experiments more accurate
They can lead to biased results
They are always correct
They are based on facts
What is an advantage of objective data in science?
It can be easily changed
It is based on personal opinions
It provides a reliable basis for conclusions
It is less accurate
What innovation is Elon Musk known for in the automotive industry?
Diesel engines
Electric cars
Gasoline cars
Horse-drawn carriages
