Heat
What tool is used to measure temperature?
A thermometer
What star is at the center of our solar system?
The Sun
What do we call structures found in nature, such as trees or spider webs?
Natural structures
What form of energy comes from the Sun?
Light
What gas do humans need to breathe to survive?
Oxygen
What happens to most objects when they are heated—do they expand or contract?
they EXPAND
How long does it take Earth to make one full rotation on its axis?
About 24 hours (one day)
Mr. Amodeo will verify your answer.
True or False: You can cook food using sound.
TRUE!
What process do plants use to make their own food?
Photosynthesis
What is the difference between heat and temperature?
Heat is energy that transfers from warmer objects to cooler ones, while temperature measures how hot or cold something is
What force keeps planets in orbit around the Sun?
Gravity
What is a dynamic load?
A force on a structure that changes over time
Name one renewable energy source and explain why it is renewable.
Examples: solar, wind, hydro — they are naturally replenished
What is the name of the smallest unit of life?
Cell
Why does sweating help cool your body?
Heat is lost when sweat evaporates from the skin
What causes seasons on Earth?
The tilt of Earth’s axis as it orbits the Sun
Name the 4 internal forces.
Compression, Tension, Torsion, Shear
What law states that energy cannot be created or destroyed, only changed from one form to another?
The law of conservation of energy
What part of the eye controls how much light enters?
The pupil
Why does metal feel colder than wood at the same temperature?
Metal conducts heat away from your hand faster than wood
Why is Pluto no longer classified as a planet?
It has not cleared its orbit of other objects
Name one of the four reasons why some structures fail?
Design failure, Improper Communication, Poor foundations, Unanticipated forces
Which colour has the most light energy?
Violet (purple will be accepted)
What does the letter "c" represent in the equation e=mc2?
The speed of light