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WorksheetsSW5
Total questions: 10
Worksheet time: 12mins
In the following, which BEST describes the type of energy conversion that occurs in a battery-powered flashlight?
thermal to mechanical
light to electrical
chemical to electrical to light
thermal to chemical to light
a solar cell is an electrical device that uses light energy to provide electricity. Which energy transformation makes it possible to use sunlight to turn on a lightbulb inside a house?
light > electrical > chemical
heat > electrical > light
radiant > electrical > light
chemical > electrical > light
plants use a process called photosynthesis to produce food. Which type of energy conversion occurs in a plant that uses sunlight?
it transforms Sun's radiant energy into chemical energy
it transforms sound energy into radiant energy
it transforms electrical energy into radiant energy
it transforms heat energy into chemical energy
Your body needs energy from food. It transforms the energy into kinetic and mechanical energy for movement. It also uses the food for thermal energy to keep warm. What kind of energy comes from the food you eat?
radiation
electrical
chemical
sound
Which of the following characteristics do all cells share?
contain smaller living structures
can always be seen without a microscope
have rigid cell walls that give the organism shape
come from preexisting cells
all organisms are composed of one or more ______
bacteria
cells
cell walls
viruses
All living organisms are classified according to their characteristics. One characteristic common to all organisms is that _________.
they are all bacteria
they are composed of one or more cells
they all use oxygen
they must eat food to stay alive
Which Kingdom mostly live on land, are nonmobile, make their own food, and are multicellular?
plantae
animalia
archaea
Which of the following statements describes a way in which bacteria differ from animals and plants?
bacteria are not able to maintain their temperature
bacteria do not reproduce
bacteria are not made of cells
bacteria do NOT have specialized cells
An organism has the following characteristics.....
- is multi-cellular
- composed of eukaryotic cells that are organized into tissues, but lack cell walls
- obtains nutrients by ingestion
- reproduces by sexual reproduction
To which KINGDOM does the organism mostly belong?
Fungi
Protista
Animalia
Plantae
