Science 50

Which device is used to store data on a computer?

• Keyboard
• Monitor
• Hard drive
• Printer

What force pulls objects toward Earth?

• Gravity
• Magnetism
• Friction
• Electricity

Which part of a magnet is the strongest?

• North pole
• South pole
• Middle
• Both poles

Which planet has the most satellites?

• Earth
• Jupiter
• Saturn
• Mars

What phenomenon causes a rainbow?

• Reflection
• Refraction
• Diffraction
• Absorption

What unit measures sound intensity?

• Newton
• Joule
• Decibel
• Hertz

Which component is the 'brain' of the computer?

• Hard drive
• CPU
• RAM
• Monitor

Which law explains the relationship between force and acceleration?

• Newton's First Law
• Newton's Second Law
• Newton's Third Law
• Archimedes' Principle

What type of energy do magnets produce?

• Thermal
• Electrical
• Magnetic
• Chemical

How does light travel?

• In a straight line
• In a circular path
• In a spiral
• Randomly