WorksheetsScience Review
Total questions: 31
Worksheet time: 1hrs 20mins
Use the diagram above to answer the question.
Which change is necessary for this circuit to work?
add a source of power
add a second light bulb
move the switch farther away from the light bulb
replace the copper wire with a different type of metal wire
Use the drawing above to answer the question below.
Some bicycles have brake pads that squeeze the sides of the wheels. Which statement best describes how the motion of a bicycle changes when the brakes are used?
The bicycle speeds up due to the friction between the brake pad and the wheel
The bicycle slows down due to the friction between the brake pad and the wheel
The bicycle speeds up due to the magnetism between the brake pad and the wheel
The bicycle slows down due to the magnetism between the brake pad and the wheel
In the late spring, a student notices very tall, puffy clouds forming quickly in the sky. The clouds seem to be getting taller and are turning dark grey. Which weather forecast can best be made from these observations?
Cirrus clouds are forming and fair weather is expected
Cumulus clouds are forming and dry, cold weather is expected
Cumulonimbus clouds are forming and a thunderstorm is likely
Stratus clouds are forming and a late-season snowstorm is likely
Which two processes could result in the formation of high mountains with well-rounded peaks?
volcanic eruptions and global warming
earthquakes and tidal activity
movement of tectonic plates and erosion
production of greenhouse gases and weathering
Which statement best describes an energy change as a book falls off the edge of a table?
kinetic energy is converted to gravity
potential energy is converted to gravity
kinetic energy is converted to potential
potential energy is converted to kinetic energy
