Font size
WorksheetsReview Week -Energy
Total questions: 5
Worksheet time: 4mins
The toy oven shown uses a lightbulb to bake small cakes.
What types of energy does the toy oven use to bake the cakes?
Electrical and thermal
Mechanical and electrical
Thermal and mechanical
Light and sound
When a bat searches for a prey at night, it makes sounds as it flies , and it uses the sound' echoes to find its prey. When the bat flies and listens to echoes to locate prey, it is using -
thermal energy and light energy
sound energy and thermal energy
mechanical energy and sound energy
light energy and mechanical energy
Which of these changes to the electric circuit shown will cause the lightbulb to light up?
Straightening the wire so that the current can flow more easily.
Adding a switch and more wire so that the current can flow more easily.
Turning one battery so that the positive end connects to the other battery's negative end.
Making the length of the wire the same on both sides of the lightbulb.
This photograph shows a girl using a lab instrument during an investigation on light. Mrs. Saucedo asks the student in the class to look carefully at the girl's eye and give reasons for its appearance.
Which table correctly identifies the reasons for the appearance of the girl's eye through the lab instrument?
Barbara uses a spring scale to pull a 50-gram block horizontally across a wood desk. Then Barbara pulls the block the same distance across surfaces of carpet, sandpaper, and glass.
Which question is this investigation most likely designed to answer?
How do blocks of different sizes react to force?
How do different surfaces affect the amount of forces needed to move a block?
How do blocks affect spring scales?
How does the mass of a block change when it pulls across a desk?
