Kaylee observed two unknown plants. She recorded her observations of the plants in the table. In which group of plants would both of these plants be classified?

• nonflowering plants with seeds

• nonflowering plants with spores

• flowering plants with wide leaves

• flowering plants with narrow leaves

Tags

NGSS.MS-LS4-2

The moon seems to move across the sky once each night. Which of the following statements describes why this happens?

• The moon revolves around Earth.

• Earth revolves around the sun.

• Earth rotates on its axis.

• Earth's axis is tilted.

Tags

NGSS.MS-ESS1-1

Slate is a kind of metamorphic rock. How does slate form?

• from lava that cools and hardens

• from magma that cools and hardens

• from sediment that is pressed together over time

• from other rock when heat and pressure cause changes

Which of the following best describes scientific investigations?

• Scientific investigations are always controlled experiments.

• Only trained scientists can carry out scientific investigations.

• Scientific investigations always follow similar steps done in the same order.

• The steps in a scientific investigation can vary but always include gathering evidence.

Tags

NGSS.MS-PS2-2

A closed circuit is a complete loop through which current flows. Which of the following lists the parts of a closed circuit?

• wire, battery, bulb, closed switch

• wire, battery bulb, open switch

• battery, bulb, open switch

• wire, bulb, closed switch

Earth moves in different ways. The picture shows Earth's motion. How long does it take Earth to make one complete trip from position 1 to position 4?

• 1 day

• 1 week

• 1 month

• 1 year

Tags

NGSS.MS-ESS1-1

There are many different forms of energy. Which form of energy comes from a piano when someone plays it?

• chemical energy

• electrical energy

• light energy

• sound energy

The temperature of the air affects other weather conditions. Which of the following describes how temperature affects humidity?

• Warmer air holds more water vapor than colder air.

• Colder air holds more water vapor than warmer air.

• Colder air is denser than warmer air.

• Warmer air is less dense than colder air.

Jenna has two sealed shoe boxes. Inside one is a rock with more mass, and inside the other is a rock with less mass. Which of the following will most likely happen is she pushes the two boxes with the same amount of force?

• The box with more mass will move faster and not as far.

• The box with more mass will move faster and farther.

• The box with less mass will move more slowly and farther.

• The box with less mass will move faster and farther.

Tags

NGSS.MS-PS2-2

Box turtles have yellowish markings on their green shells. The colors and markings help the turtles blend in with the ground of a forest. Which of the following is NOT an adaptation like the turtles' markings?

• a polar bear's thick layer of fat

• an arctic fox's white fur

• a giraffe's spotted coat

• a toad's green skin