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WorksheetsScience CUA #4
Total questions: 25
Worksheet time: 25mins
Two students were observing a tree in winter. Student A believes the tree is dormant, while Student B thinks it is dead. Which observation would best support Student A's belief?
The tree's branches are covered in snow.
The tree's leaves have fallen off.
In spring, the tree starts to bud and grow new leaves.
In spring, birds build nests in the tree.
What is the primary benefit of migration for loons?
Migration allows loons to avoid predators during winter.
Migration enables loons to find food in warmer climates.
Migration helps loons to build stronger nests.
Migration lets loons explore new territories every year.
A scientist says bees are very important for nature. She thinks that if bees were gone, many plants and animals could be hurt. Which sentence gives the best proof for what she says?
Only a few predators are able to eat bees.
Bees get their food from the flowers of plants.
Bees pollinate plants, helping plants increase the food supply for animals.
Bees help plans be spreading seeds to new places.
A heron is a bird with long legs. Many herons build nests in trees near a pond and they eat fish and frogs.
If herons were removed the pond, what change would occur there?
The number of frogs would increase.
The number of trees would decrease.
The size of the pond would decrease.
The number of fish would decrease.
If grasshoppers were removed from the ecosystem, how would the grass and frogs be affected?
Choose TWO correct answers.
The amount of grass would increase.
The number of grasshoppers would decrease.
The number of snakes would increase.
The number of snakes would decrease.
There would be no change in the ecosystem.
What structure helps plants absorb water and nutrients?
(a)
What structure helps plants carry water?
(a)
What structure helps plants hold seeds?
(a)
What structure helps plants produce seeds?
(a)
What structure helps plants produce food?
(a)
Which part of a flowering plant helps the most with getting insects to pollinate it and make new plants?
large leaves
deep roots
brightly colored flowers
long stems
Which statement BEST describes a characteristic of the animals' growth process?
Animal 1 undergoes a complete transformation during its life cycle.
Both animals grow into adults without changing form.
Animal 2 takes longer to reach its adult form.
Both animals' young live in different environments from the adults.
Both crickets and ladybugs undergo a series of changes in their life cycle. What is one similarity in their life cycles?
They both start as eggs.
They both have a pupal stage.
They both have a larval stage.
They both undergo metamorphosis.
What changes will occur in the lady beetle as it progresses through its life cycle?
It stays the same size but changes color.
It becomes a different kind of insect.
It grows wings and changes from a pupa to adult
It only changes the way it eats.
Which animals are most likely to die when their home is flooded?
farm animals, such as cattle and sheep
wild birds, such as geese and ducks
animals that can climb trees, such as squirrels and lizards
animals that live around ponds, such as frogs and snakes
Both the harpy eagle and the jaguar live in the rainforest. Which of them is more likely to survive a drought in the rainforest?
the eagle, because it can fly to a new location
the eagle, because it can eat prairie animals
the jaguar, because it lives on the ground
the jaguar, because it is larger
A pond went through a drought that lasted many years. What most likely happened during that time?
The water dried up and many animals left or died.
The pond got more water and new animals moved in
The pond froze and all the animals slept.
More fish came because the pond got bigger.
Scientists study fossils to learn about animals that lived long ago. What clue tells us that this animal probably ate plants?
The animal had sharp teeth for cutting meat.
The animal had flat teeth for chewing plants.
The fossil was found near water.
The fossil was very large.
Fossils form when the remains of living things are buried in what?
Layers of sediment
Piles of leaves
Freshwater
Saltwater
Which of the following cannot be learned by studying fossil footprints?
The shape of the feet
The size of the feet
The length of their steps
The food they ate
Observe the species called the aye-aye. Which structure on this animal helps it function?
Large eyes
Special feet
Short legs
Fur
What is a deep sleep that helps an animal survive without food?
Migration only
Hibernation only
Migration and Hibernation
What is a behavior that keeps an animal moving?
Migration only
Hibernation only
Migration and Hibernation
What is a behavior that lets an animal survive when its environment changes?
Migration only
Hibernation only
Migration and Hibernation
What is a behavior that brings animals to Texas for part of the year, but not the whole year?
Migration only
Hibernation only
Migration and Hibernation
