Which skill do we use to formulate a good scientific problem?

• Inferring

• Measuring

• Predicting

• Observing

Tags

NGSS.MS-ETS1-1

How do we identify if a problem is scientific?

• Can  be  solved  through  conducting  experiment

• Can  be  solved  without  an  experiment

• Can  be  solved  without  experimenting  and  studying

• Can  be  answered

Tags

NGSS.MS-PS1-2

Which of the following branches of Science focuses on tracking the changes at the Earth's atmosphere in case of a weather disturbance?    

• Biology

• Astronomy

• Meteorology

• Geology

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

He invented the first practical telephone.

• Alexander Bell

• Alexander Graham Bell

• Alexa Graham Bell

Which term is used when we are separating our waste materials?

• Operation

• Distillation

• Segregation

• Contamination

Which general property of matter shows the amount of space a matter occupies?

• weight
• mass
• volume
• density

Which process involves breakdown or rot through the action of microorganisms, like  bacteria and fungi?

• decay
• putrefaction
• disintegration
• decomposition

Are  decomposing  materials  safe  to  eat?

• Yes, because they are nutritious

• No,  because  they  are  edible  and  tasty

• No,  they  are  undergoing  chemical  changes  that  can  be  harmful  to  our  body

• Yes, because they are still food but they are just undergoing chemical change for   your body to eat them.

You should perform unassigned experiments or work in the laboratory alone.

• True

• False

Wire gauze is used to support the glassware during heating.

• True

• False