Semester Exam 22

A food chain is shown. Which role do the grasses have in the food chain?

• They decompose small organisms to produce energy.

• They prevent the food chain from containing too many carnivores.

• They capture the energy from the sun and are food for consumers.

• They break down dead organisms into simpler substances.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

A student uses the setup shown to investigate ways to speed up evaporation. Which forms of energy are being compared in the student’s investigation?

• Light energy and electrical energy

• Light energy and thermal energy

• Mechanical energy and electrical energy

• Mechanical energy and thermal energy

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

A gardener plants seeds in the garden. After the flower stage, the fruits and vegetables grow. A table of how many days are needed for some plants to be ready for harvest is shown.

• Pumpkins take the most time to sprout and to be ready for harvesting.

• Green bean seeds sprout faster because they are smaller than other seeds.

• Cucumbers are ready for harvest in less time than watermelons.

• Watermelon seeds take longer to sprout because watermelon plants produce large fruits.

Tags

NGSS.MS-LS1-5

Students study barracudas. They gather some observations of barracudas. A barracuda is shown. Which observation describes barracudas interacting with the biotic elements of their ecosystem?

• Barracudas can travel quickly using surface ocean currents.

• Barracudas live around hard structures such as oil rigs and jetties.

• Barracudas are predators of other fish.

• Barracudas tend to live in warm waters.

Tags

NGSS.MS-LS2-1

Two box turtles live in an area in a zoo’s reptile house. Zoo visitors made a list of observations of the turtles. The list is shown.

Which observations best describe how box turtles interact with the biotic parts of their environment?

• Observation 4 and observation 6

• Observation 2 and observation 5

• Observation 1 and observation 5

• Observation 3 and observation 4

A student lists resources that can be used to produce electricity. The list is shown. Which of the resources are renewable resources?

• Coal, natural gas, water power, and petroleum

• Wind and water power

• Wind and natural gas

• Coal, water power, and petroleum

A food web of a grassland ecosystem is shown. Which organisms rely on the same food source?

• Snakes and hawks

• Mice and snakes

• Rabbits and lizards

• Grasshoppers and lizards

Tags

NGSS.MS-LS2-1

Some characteristics of the tundra are described.

• Long winters with temperatures at − 34 °C

• Less than 25 centimeters of precipitation each year

• Thin layer of topsoil covers the frozen ground

• Some types of plants found there are mosses, grasses, small shrubs, and trees Based on this description, which pair of animals is LEAST likely to live in the tundra?

• Moose and Polar Bear

• Polar Bear and Snowy Owl

• Caribou and Snow Hare

• Turtle and Stork

Tags

NGSS.MS-LS2-1

A group of students wants to build a desert garden at school. They need soil that allows water to drain away easily for the desert plants in this garden.

The students test different soils to determine how much water passes through and how much water remains in each soil as shown in the table.

Based on the table, which types of soils are best to use to build the garden?

• Clay and sand

• Sand and gravel

• Gravel and silt

• Silt and clay

Tags

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

Maps of predicted weather conditions are shown.

Which answer choice best describes the weather at location X on Day 1 and Day 2?

• Day 1: warm and rainy

  Day 2: cool with more rain

• Day 1: warm and windy

  Day 2: cloudy and cold

• Day 1: clear and cool

  Day 2: warm and rainy

• Day 1: cold and rainy

  Day 2: clear and sunny

Tags

NGSS.MS-ESS2-5