Elevate Science - Happy School

What is a matter?

• Anything that has mass and takes up space is matter

• A subtance that has mass and takes up space is matter

• Anything that has subtance and takes up space is matter

What is it?

• Element

• Matter

• Molecule

• Chemical property

Choose objects catch fire:

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A solid a has a definite shape. Is it true or false?

• True

• False

A liquid has .............

• no definite volumn and no shape

• a definite volumn and shape

• a definite volumn but no shape

• a definite volumn, a constant volume but no shape

Choose the picture of "sublimation"

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"When the temperature of a gas at constant pressure is increased, its volume increase."

What is the name of this Law?

• Charles's Law

• Newton's law of universal gravitation

  
  

• Laws of friction

• Laws of thermodynamics

What is relationship between energy and motion?

• It involves forces

• It involves power

• It involves calculating

• It involves a distance

The kinetic energy of an object depends on ............

• Speed and mass

• Work and time

• Speed and work

• Power and mass

How do you determine mechanical energy?

• Potential Energy + Kinetic Energy

• Kinetic Energy + Mass

• Gravitational Potential Energy + Kinetic Energy