Matter & Energy
Energy Transfer
100
As a plant grows, it gains mass. Which of the following provides the most matter that a plant uses for its growth?
Gases in the air
Minerals in the soil
Salt in the water
Chemicals in fertilizers
Gases in the air
100
Plants get the food they use for energy and growth by-
making it from sunlight.
absorbing it from other living things.
eating small insects.
breaking down bacteria.
making it from sunlight.
200
The idea that plants do not need soil to grow is supported by which of the following observations?
Plants remain green for several hours after being removed from the soil.
Different types of plants grow better in different types of soil.
Some plants are grown in containers with nothing but water.
When plants die, some of their nutrients are returned to the soil.
Some plants are grown in containers with nothing but water.
200
The diagram shows a transfer of energy in the ecosystem. What belongs in the blank in the first box of the diagram?
Bacteria
Soil
Sun
Water
Sun
300
Under which of the following conditions would a plant grow the best? A plant grown
with -
Water, soil, but no air
Water, air, but no soil
Soil, air, but no water
Soil, but no air or water
Water, air, but no soil
300
A diagram showing the transfer of energy between members of an ecosystem is provided.
The information in this diagram supports which of the following ideas?
All organisms depend on other organisms for food.
Every animal gets its energy from another kind of animal.
All organisms will be eaten by another organism at some time.
The original source of energy for all organisms is the Sun.
The original source of energy for all organisms is the Sun.
400
Which of the following would provide the best evidence that plants require water for
growth?
Watering two plants on alternate days over a period of one year and measuring the growth of both plants
Comparing data on the growth rates of plants in habitats that receive lots of rain and plants in drier habitats
Growing 100 plants under identical conditions, but providing water to only 50 of the plants, then measuring the growth of all the plants
Timing how fast different seeds are able to grow in soil and how fast seeds are able to grow in water from several different sources.
Growing 100 plants under identical conditions, but providing water to only 50 of the plants, then measuring the growth of all the plants
400
Animals get the energy they need for growth and repair from-
the action of muscles.
protective coloration.
the food they eat.
avoiding predators.
the food they eat.
500
In a famous experiment, a scientist measured the mass of a small willow tree seedling and the mass of a pot of dry soil. The willow tree was planted in the soil, and only water was added as the tree grew. After five years, the mass of the soil and the willow were measured again.
What data from this investigation supports the claim that soil does not provide most of the materials a plant needs to grow?
The mass of the dry soil was greater than the tree after it grew.
After the willow tree grew, the soil lost 0.1 kg of mass.
The willow gained mass, but the soil lost almost no mass.
The amount of mass the willow tree gained during the five years was 74.7 kg.
The willow gained mass, but the soil lost almost no mass.
500
The process by which plants make food requires water, carbon dioxide and which of the following?
Nutrients from the soil
Energy from the sun
Dead and decaying animals
Minerals found in rocks
Energy from the sun