SHS Physical Science (Physics and Astronomy)

Moving water, tides, and dams are examples of

• hydroelectric power

• fossil fuels
• geothermal energy
• radiant energy

Which of the following are RENEWABLE energy sources?

• Wind

• Coal

• Geothermal

• Hydropower

• Petroleum (Oil)

Thermal energy always travels from ______ temperatures to ______ temperatures.

• Higher / Lower

• Lower / Higher

• Higher / Higher

How does heat travel when ice cubes are placed in an orange juice?

• From ice to juice

• From juice to ice

• In ice only

• In juice only

What law of thermodynamics explains the principle of heat engines?

• Zeroth Law

• First Law

• Second Law

• Third Law

A heat engine uses 100 J of heat to produce 60 J of work. How much is the excess heat?

• 40 J

• 160 J

• 6000 J

• 5 J

Which is NOT a natural motion based from Aristotle?

• Smoke moving upward

• Rock falling from cliff

• Waterfalls

• Cart is pushed

Rock A is dropped while Rock B is thrown horizontally downward. Which of them will reach the ground first?

• Rock A

• Rock B

• Both of them

• Cannot be determined

What is the angle of projectile needed to reach the maximum range?

• 25 degrees

• 35 degrees

• 45 degrees

• 65 degrees

Which of the following angle of projectile will have the highest maximum height?

• 25 degrees

• 35 degrees

• 45 degrees

• 65 degrees