CBA review

A company has built a new type of spaceship for transporting astronauts to Mars. What should the company do before marketing its product?

• 1. Collect data on spaceships from other investigation

• 1. Market the spaceship as a sure way to get to Mars

• 1. Design a prototype for the mission and market it

• 1.  Perform repeated tests of their product to increase the reliability of the results they get

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-3

NGSS.MS-ETS1-4

Lupita is observing how quickly a tablespoon of salt dissolves in water. She is wondering if other substances dissolve as easily. Which of the following could she use for comparison?

• 1. sugar mixed into water 

• 1. pepper mixed into water

• 1. birdseed mixed into water

• 1. tea leaves mixed into water 

Tags

NGSS.MS-PS1-2

All matter is made of particles. Contrast the physical properties of matter. How are particles arranged in different states of matter? 

• 1. The particles in gases are farther apart than the particles in solids. 

• 1. The particles in gases are closer together than the particles in solids.

  
  

• 1. The particles in most solids are farther apart than the particles in liquids.

• 1. The particles in most gases are closer together than the particles in liquids. 

Tags

NGSS.MS-PS1-4

Solutions come in many forms. Which of the following is a solution?

• 1.  A gram of sugar

• 1. A handful of soil 

• 1. A liter of salt water 

• 1. A cup of noodle soup

A mixture that looks the same throughout because the parts are evenly dissolved is a ​_____________

Sand and water along with salt and water are both ^_________. 

• mixtures

• solutions

• great drinks

• delicious

Use the choices below to create the correct steps for the Scientific Method. Not all of the steps will be used.

• Repeat the Experiment

• • Conclusion

• • Ask a question

• • Eat lunch

Use the choices below to create the correct steps for the Scientific Method.  Not all of the steps will be  used.

• Form a hypothesis

• • Collect data

• • Make a plan

• • Complete IXL

Tags

NGSS.MS-PS2-2

Use the choices below to create the correct steps for the Scientific Method.  Not all of the steps will be  used.

• Do the experiment

• • Get materials

• • Multiplication

• • Draw a map

Tags

NGSS.MS-PS1-2

Match the following tool with how it is used

• To be worn in the front of clothing when

• goggles

• To put out fires on desks and floors.

• apron

• To flush a stream of water in the eyes t

• fire blanket

• To roll around a students in case of bur

• fire extinguisher

• To protect from splashes and/or dust.

• eye wash