Scientific Questions Quiz

Which of these is a characteristic of a “good” scientific question?

• It is scientifically testable.

• Its answer is based on popularity and traditions.

• It is very broad.

• Its answer is outside the realm of science.

How are observations useful in science?

• They provide us with biased information.

• They help to support our personal beliefs.

• They make sure scientists get credit for their experiments.

• They help us to develop scientific explanations for phenomenon

Tags

NGSS.MS-LS2-4

Which variable is changed as a part of the experimental setup?

• independent variable

• measured variable

• dependent variable

• control variable

Cecil analyzed his results and felt as if his hypothesis was supported based on the information he obtained. What is this called?

• performing an experiment

• making a hypothesis

• forming a conclusion

Miguel is about to perform an experiment to determine the effect of the amount of light on plant growth. Based on his prior research, he thinks that the following will occur: "Increasing the amount of light will cause the plant to grow faster." What type of scientific statement is this?

• data

• hypothesis

• fact

• theory

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

What would the data show to support the following hypothesis? “If plants are given sunlight, then they will grow taller.”

• plants in sunlight growing

• plants in sunlight staying the same size as plants not in sunlight

• plants not in sunlight growing

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Alexia wanted to determine which type of coffee is stronger. In her experiment, she tested Robusta and Arabica beans. What is the independent variable?

• brew time

• the strength of coffee

• size of the coffee cup

• type of bean

How many hydrogen atoms are in the chemical formula C₆H₁₂O₆?

• 12

• 24

• 1

• 6

Tags

NGSS.MS-PS1-1

What is the chemical ratio of water (H₂O)?

• 1:2

• 1:3

• 2:1

• 2:4

What is sodium chloride (NaCl) an example of?

• heterogeneous mixture

• compound

• element

• homogeneous mixture