Reach Higher 3 key vocabulary page 111

Front

Which word best describes a river that has no water due to a long period without rain?

Back

Drought

Answer explanation

A river with no water due to a long period without rain is best described as experiencing a 'drought.' This term specifically refers to prolonged dry conditions, making it the correct choice over the other options.

Tags

CCSS.L.2.5

Front

What is the main purpose of a food chain in an ecosystem?

Back

To show how energy moves from one living thing to another

Answer explanation

The main purpose of a food chain is to illustrate how energy moves from one living thing to another, showing the flow of energy through different organisms in an ecosystem.

Tags

CCSS.L.2.5A

Front

Which word can be used to describe both a mountain and a book? Options: Level, Page, Cover, Peak

Back

Peak

Answer explanation

The word 'Peak' describes the highest point of a mountain and can also refer to the top or cover of a book, making it the correct choice that fits both contexts.

Tags

CCSS.L.2.4

Front

If you are describing a food that is spicy, which of these would you most likely be talking about? Options: Ice cream, Chili pepper, Bread, Watermelon

Back

Chili pepper

Answer explanation

Chili peppers are known for their spiciness due to the presence of capsaicin, making them the most likely food to be described as spicy. In contrast, ice cream, bread, and watermelon are typically not spicy.

Tags

CCSS.L.2.5A

Front

ecosystem

Back

A community of living things interacting with their environment

Answer explanation

The term "ecosystem" specifically refers to a community of living organisms interacting with their environment, including both biotic and abiotic components. This distinguishes it from weather, food, or river types.

Tags

CCSS.L.2.5

Front

Dry (in the sentence: "The river was so dry, it looked like a desert.")

Back

Without water

Answer explanation

In the sentence, 'dry' means 'without water,' as it describes the river's lack of water, making it resemble a desert. The other options, like 'wet' or 'full of water,' contradict the context.

Tags

CCSS.L.2.4A

Front

Which word best fits the sentence: "The _______ was home to many fish and plants."

Back

River

Answer explanation

The word 'River' best fits the sentence because rivers are aquatic environments that support a variety of fish and plant life, unlike mountains, deserts, or the sky, which do not typically host such ecosystems.

Tags

CCSS.L.2.4A

Front

level (in the sentence "The water level in the river was very low")

Back

The height of the water

Answer explanation

In the sentence, 'level' refers to the height of the water in the river. It indicates how much water is present, making 'The height of the water' the correct interpretation.

Tags

CCSS.L.2.4A

Front

Which term describes a community of living organisms in conjunction with the nonliving components of their environment, interacting as a system?

Back

Ecosystem

Answer explanation

An ecosystem is defined as a community of living organisms interacting with their nonliving environment, functioning as a system. This distinguishes it from terms like biosphere, habitat, and biome, which have broader or different meanings.

Tags

DOK Level 1: Recall

Front

Example of an aquatic ecosystem: Desert, Coral reef, Grassland, Tundra

Back

Coral reef

Answer explanation

A coral reef is an aquatic ecosystem characterized by its diverse marine life and coral structures. In contrast, deserts, grasslands, and tundras are terrestrial ecosystems, making coral reefs the correct choice.