Unit 1 Review

What does a bar graph typically display?

• The relationship between two continuous variables

• The comparison of quantities across different categories

• The percentage of a whole

• The change of a variable over time

Tags

NGSS.MS-PS3-1

Which of the following best describes a hypothesis?

• A summary of the results

• A variable that stays the same

• An educated guess or prediction

• A type of graph

Tags

NGSS.MS-PS1-2

What is a constant in an experiment?

• The variable that is changed on purpose

• The variable that is measured

• The variable that stays the same throughout the experiment

• The result of the experiment

If you are measuring how temperature affects the rate at which ice melts, what is the independent variable?

• The amount of ice

• The temperature

• The time it takes to melt

• The container used

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of the following is NOT typically found in a line graph?

• Data points connected by lines

• Categories represented by bars

• An x-axis and y-axis

• A title

Tags

NGSS.MS-PS3-1

Which of the following statements is true about dependent variables?

• They are controlled by the experimenter

• They are measured or observed in the experiment

• They are always shown on the x-axis

• They never change

Tags

NGSS.MS-PS2-2

Given a bar graph showing the number of books read by students in different grades, how would you determine which grade read the most books?

• Look for the shortest bar

• Look for the tallest bar

• Add up all the bars

• Count the number of bars

You are given a pie chart showing the favorite fruits of a class. If 40% chose apples, 30% chose bananas, and 30% chose oranges, which fruit is the least popular?

• Apples

• Bananas

• Oranges

• Bananas and Oranges

A student wants to test if the amount of water affects plant growth. Which should be kept constant?

• Amount of water

• Type of plant

• Height of plant

• Growth rate

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

If you are designing an experiment to test how light affects the rate of photosynthesis, which of the following would be a good hypothesis?

• Photosynthesis is a process in plants

• If the amount of light increases, then the rate of photosynthesis will increase

• Plants need water to survive

• The color of the plant is green

Tags

NGSS.MS-LS1-6