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WorksheetsEnergy flow through the food chain
Total questions: 15
Worksheet time: 1hrs 15mins
The energy that powers all life on Earth ultimately comes from the
The planets
Sun
The Earth's core
Power plants
The picture shows
a food web
a food line
a food loop
a food chain
In the food chain, which receives the greatest amount of energy?
Oak tree
Caterpillar
Tree creaper
Hawk
In the food chain, which organism receives the least amount of energy?
Oak tree
Caterpillar
Tree creaper
Hawk
Timmy is on a tight budget and he wants to eat foods that contain the highest amounts of energy to maximize his food budget. Which level of the food chain should Timmy eat from most?
Producer
Primary Consumer
Secondary consumer
Tertiary consumer
Photosynthesis is the
process that allows plants to feed on other organisms
process by which plants change colour from green to orange
process by which plants make their own food
process by which plants capture other organisms for food
Photosynthesis uses energy from
Soil
The Sun
The Earth's core
Water
Energy from the sun comes to the Earth in the form of: (Select all that are correct).
Heat
Electricity
Light
Chemical
All living organisms need energy in the form of
Light energy
Kinetic energy
Sound energy
Chemical energy
Photosynthesis converts
Heat energy into light energy in food
Light energy from the Sun into heat energy
Heat energy from the Sun into chemical energy in food
Light energy into chemical energy in food
As energy moves through the food chain, some is lost as heat and in life processes of the organisms.
True
False
How much of the energy is passed from one level of the food chain to the next?
10%
20%
30%
50%
If the grasshopper received 3000 Kcal of energy, how much energy will the snake receive?
3 Kcal
30 Kcal
300 Kcal
3000 Kcal
In this food chain, which organism is the secondary consumer?
Grasshopper
Bird
Snake
Owl
If all the snakes died, what would happen to the number of birds?
Increase
Decrease
Remain the same
