Computer/STEM & Robotics Summer Exam(7-12)

What does STEM stand for?

• Science, Technology, Engineering, and Mathematics

• Science, Technology, English, and Mathematics

• Social, Technology, Engineering, and Mathematics

• Science, Teaching, Engineering, and Medicine

What particles flow to create electricity?

• Protons

• Neutrons

• Electrons

• Atoms

What type of current do batteries produce?

• Alternating Current (AC)

• Direct Current (DC)

• Static Current (SC)

• Magnetic Current (MC)

How often does the direction of Alternating Current (AC) switch in your home?

• 30 times per second

• 50 times per second

• 60 times per second

• 70 times per second

What is the main function of a power plant?

• To grow plants

• To generate electricity

• To store water

• To produce food

Which of the following is a clean energy source mentioned?

• Coal

• Natural gas

• Wind

• Oil

What do conductors allow?

• They allow electricity to flow easily

• They block electricity

• They store electricity

• They create electricity

Which material is a good insulator?

• Copper

• Aluminum

• Rubber

• Silver

What is a close circuit?

• A closed path for electric energy to travel

• A type of battery

• A device that stores energy

• A component that blocks electricity

What is an open circuit?

• A complete path for electricity to flow

• A path with a gap, stopping electricity flow

• A circuit with too much electricity

• A circuit with too little electricity