WorksheetsEnergy (BI.10) Practice
Total questions: 10
Worksheet time: 5mins
Energy comes in many forms, and several are often present at once. Which forms of energy are most represented by a lit light bulb?
chemical, light, heat
electrical, light, heat
electrical, light, sound
mechanical, light, heat
Sasha experiments with an electric motor and a battery. Which is the best example of energy creating change?
The mass of the motor causes it to be difficult to move.
Chemicals from the battery cause electricity to flow.
Friction causes the motor to remain stationary.
A disconnected wire causes an open circuit.
Energy comes in many forms. Which of the following represents mechanical energy?
a computer
a lit television screen
a pot of cold water
a windup clock ticking
Which can cause a solid object, such as a rock, to move?
the mass of the object
the temperature of the object
the size or shape of the object
the energy applied to the object
Tim finished conducting experiments to investigate the effect of salt water on plant growth.
What should he do next?
develop a question
record observations
communicate his results
conduct an experiment
Which form of energy do our bodies use from the food we eat?
chemical
electrical
light
mechanical
A textbook falls off of a desk. Which is an example of energy causing motion or creating change?
The textbook falls for 0.4 seconds.
The forces on the textbook are balanced.
The textbook's mass is greater than 1 kg.
The book makes a sound when it hits the floor.
Several forms of energy can move in waves. Which of these does NOT?
chemical
light
mechanical
sound
Kim places a pot of water on a hot stove. What could Kim observe that would show that energy is causing change in the water?
The water is evaporating.
There is exactly one liter of water in the pot.
The pot has been on the stove for two minutes.
The flame of the burner below the pot is burning brightly.
For the school science fair, Rachel plans to study blue herons at a nearby lake. Kyle will build a model of a beaver dam based on an abandoned dam at a pond. Penny will investigate the effect of temperature on the strength of plastic.
What will Penny be doing in her experimental study that the others will probably NOT do?
making observations
drawing conclusions
developing explanations
measuring the effects of variables
