Uni 1 Review

Sirhan wants to make a 2-D picture model of his classroom drawn from a view that is looking down from the ceiling. Which of the following would he not be able to include in his model?

• Desks in the classroom

• Coat closet in the classroom

• Distance from the floor to the ceiling

• Distance from the door to the opposite wall

A class was discussing whether to make a 2-D or 3-D model of their classroom. They listed a number of advantages and disadvantages of each. They are now debating which model to make. Which of the following is an advantage only for a 3-D model?

• Easy to store

• Takes less time to make

• Requires fewer tools to make the model

• Can show the height of objects in the room, such as a desk

Tags

NGSS.MS-ETS1-2

Aba is studying parts of a plant. Which tool would be most useful if Aba wants to see parts of a leaf?

• Hand lens

• Magnifying box

• Microscope

• Telescope

Anna makes a claim that compares the amounts of rainfall each month during a 4-month period. She looks at different data that her classmates recorded during that time. Which data table would provide evidence to support her claim?

• 
• 
• 
• 

Brian conducted an experiment to test the strength of a packing foam material. He finds that the material gets a dent if he puts more than three bricks on it. What claim does this evidence support?

• The foam is not very strong.

• The brick is too heavy for his test.

• The foam will dent if he puts six bricks on it.

• The foam will not dent if he puts five blocks of wood on it.

Different groups of students used a ruler to measure the length of a leaf. They recorded their measurements in their science notebooks. Why should the groups show their data to one another?

• They want to decide which group recorded the data most neatly.

• They want to record all of the measurements in the same notebook.

• They are curious about what the other groups did.

• They want to compare their work and make sure they get the correct measurement.

Logan measures the rainfall in his city each day for a month. Which of the following is an observation he could make about the amount of rainfall he observed?

• The rainfall kept many people from going outdoors.

• The amount of rainfall will decrease during the summer.

• The rainfall was greatest during the third week of the month.

• The amount of rainfall will probably be higher next month.

Some scientists study life. Others study nonliving matter and energy. Which topic relates to Earth science?

• Water as a source of energy

• Water for cleaning dirty clothes

• Water falling from clouds as rain

• Water as a home for living organisms

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

John observes that snow is dry, light, and fluffy at times. At other times, snow is wet, heavy, and sticky. John wonders what makes snow different. He wants to plan an experiment to find an answer. Why should John research his question before experimenting?

• To make it easier to share results

• To find information to help set up his experiment

• To decide whether the scientific method should be used

• To reduce the number of steps needed for the experiment

Tags

NGSS.MS-PS1-2

Chad wraps three jars with three different materials: foil, cotton, and wool. Then he fills the jars with hot water of the same temperature. Chad claims that wool is better than cotton or foil at keeping a liquid warm. What evidence would support Chad's claim?

• The final water temperature was coolest in the jar wrapped in cotton.

• The final water temperature was coolest in the jar wrapped in wool.

• The final water temperature was warmest in the jar wrapped in wool.

• The final water temperature was the same in the jars wrapped in cotton and foil.

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4