SCIENCE END OF TERM

What is technology

• Electronic devices

• Any scientific discovery that can be used to make life easier

• Cellular phones

• Vehicles

Scientist study phenomenon because?

• They wish to see phenomenon

• They want to plan fair tests

• They want to make new scientific discoveries

• They need alternative sources of energy

Engeneering method

• Brainstorming--> problem-->design-->test -->Share-->Redisign

• Problem-->Brainstorm-->redesign--Test-->design--> and share

• Problem-->brianstorming-->design-->test-->redesign and share

• Test-->redesign-->brainstroming-->design-->share-->problem

Which three reasons BEST explain why is it important to follow rules when in a Lab.

• To prevent yourself from getting in trouble

• To prevent poisoning

• To prevent increase in school fee for lab equipment

• To prevent hurting yourself and others

• To avoid damaging the equioment

A constant is ?

• The part of the experiment that changes

• The part of the experiment that does not give a result

• The part of the experiment that you record

• The part of the experiment that does not change?

A prediction comes before an exeriment is carried out while a hypothesis comes after the experiment has happend

• True

• False

In an experiment to see which surface a toy car would drive across more easily. Brian used the same car and the same amount of energy to push the car. which part of the experiment would be the variable?

• The toy car

• The surface

• The force used to push the car

• Brian

Who was Gallileo?

• A famous preist in the 15th century

• A scientist in the 19th century

• A scientist in the 15th century

• A scientist who invented gravity

All of the following affect the rate/speed how objects fall except

• Gravity

• Air resistance

• Mass

• shape

• Height

Which of the following is true of objects in a vacuum

• There is no air in a vacuum so object fall at the same rate regarless of their shape or mass.

• There is air in a vacuum object fall at the same rate regarless of their shape or mass.

• There is no air in a vacuum so object fall at the different rates regarless of their shape or mass.

• There is air in a vacuum so objects fall at the same rate based on their shape or mass.