Evaluación inicial Physics and Chemistry (2ºA)

Atoms are formed by:

• Protons, neutrons and photons

• Bosons, Photons and electrons

• Protons, neutrons and electrons

• Neutrons, electrons and photons

International unit for lenght is:

• Kilometer

• Yard

• Meter

• Mile

How do we measure mass?

• Thermometer

• Cronometer

• Heat

• Scale

What is heat?

• The same thing as temperature

• A kind of force

• A type of energy

The bonding of atoms creates:

• Atoms

• Molecules

• Fusions

• Elements

Chemical change:

• Matter changes its compositions, generating new substances

• Matter changes but the composition is the same

• Matter doesn´t change

How many centimetres are there in a metre?

• 1

• 10

• 100

• 1000

How many kilograms are there in a ton?

• 1

• 10

• 100

• 1000

How much is 1 miligram expressed in grams?

• 0,1

• 0,001

• 100

• 10

Which are the three states of matter?

• Liquid, gas, plastic

• Solid, liquid, gas

• Solid, non liquid, non gas

• gas, plastic, solid