4.1a-f Scientific & Engineering Quiz

A bar graph and line graph have must have which of these three things?

• title, picture, bars

• title, lines, x-axis

• title, x-axis, y-axis

• title, y-axis, bars

An observation is _______________.

• only what you see and touch

• only what you taste and hear

• only what you see, taste, and touch

• what you see, taste, hear, smell, and touch

What is a prediction?

• a forecast about what may happen in the future

• a summary based on data and facts

• an explanation based on background knowledge

• what you see, hear, smell, taste, and touch

What would be the best tool to measure your height?

• microscope

• ruler

• scale

• telescope

What is the constant variable in an experiment?

• what the experimenter changes

• what the experimenter observes being changed because of the independent variable

• what we purposely keep the same

• what is removed from the experiment

In our Tomato Race experiment, what was the dependent variable? (hint: it is what changed in the experiment because of the independent variable)

• the ketchup brand

• the plate

• the ketchup speed

• the temperature

What is the first step of the scientific method?

• make a hypothesis

• make a conclusion

• analyze data

• ask a question

What is a hypothesis?

• the experiment

• a tool used in the experiment

• a guess about what you think will happen in an experiment. It usually includes the words if...then.

• the end of the experiment

How many steps of the scientific method are there?

• 4

• 3

• 6

• 7

What is always listed on the y-axis?

• numbers

• the title

• categories

• the date