Matter 1
Name the three forms of matter found on Earth
Solids, liquids and gases
Energy of motion
kinetic energy
What is the definition of Energy?
ability to work
Name three examples of stored energy waiting to be used.
batteries, food, fuels, muscles
name the tool used to measure length and what unit of measure we use.
Ruler--centimeters, inches, etc.
What is the smallest building block of matter called?
atom
energy stored in the nucleus of an atom
nuclear energy
Name three forms of energy
light, heat, motion, sound, electricity
What is measure of the average kinetic energy?
temperature
What unit of measure do we use to measure mass?
grams
Which state of matter has the highest kinetic energy
gas
energy stored in food
chemical energy
Give an example of an conductor and insulator?
conductor: metals
insulator: wood,plastic etc
Define thermal energy
sum of the kinetic energy of all the particles in a substance
What unit of measure do we use to measure volume?
milliliters
How do you represent the element oxygen in the periodic table?
using chemical symbol O
type of heat transfer by direct contact
conduction
What is the energy transformation that takes place when plants prepare their food?
light energy to chemical energy
Give two examples of ways energy can travel from one place to another.
Energy can travel in water waves, sound waves, light waves, a rolling ball.
What is used to measure temperature ? What are 3 units used?
thermometer.
Degree Celsius, Fahrenheit and kelvin
What is the difference between atomic number and mass number?
atomic number: number of protons which is equal to number of electrons
mass number: number of protons and neutrons
can solids convect? Explain
no as particles are closely linked in solids
Describe law of conservation of energy with an example?
energy cannot be created nor destroyed
Describe electromagnetic energy in your own words
answer
How can measure the volume of an irregular solid