Scientists found some fossil bones from an extinct animal. The scientists used the bones to make a model of the animal’s skeleton. Based on the features shown, which of these is the best conclusion the scientists can make?

• The animal lived in water.

• The animal blended in well with its environment.

• The animal had many offspring each year.

• The animal migrated long distances to find food.

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Knowing how to swim is an instinct that a fish has. This means that a fish can begin swimming right after it

• hatches in the ocean.

• hatches in a zoo.

• hatches in a pet shop.

• all of these

Tags

NGSS.3-LS1-1

NGSS.4-LS1-1

The model represents the sun-Earth-moon system. The numbers represent four positions of the moon in its orbit around Earth. Which number represents the location of the moon when it is in the new moon phase?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-ESS1-1

Which gives an example of an inherited behavior?

• a dog running on all four legs

• a cat walking upright on its hind legs

• a kangaroo running on both its legs and arms

• a bear walking upright on his front paws

Which of these best describes the positions of the sun, the moon, and Earth during a lunar eclipse?

• The sun, the moon, and Earth are in a straight line, and the Earth is between the sun and moon.

• The sun, the moon, and Earth are in a straight line, and the sun is between the moon and Earth.

• The sun and Earth are in a straight line. The moon is not in a line but is at an angle between Earth and the sun.

• The sun and Earth are in a straight line. The moon is not in a line but is at an angle on the side of Earth away from the sun.

Tags

NGSS.MS-ESS1-1

Students completed four investigations where they combined two different substances. Which investigation shows evidence that the chemical properties of the substances changed?

• Sand sinks in water when water and sand are combined.

• Salt dissolves in water when salt and water are combined.

• Bubbles form when baking soda and vinegar are combined.

• Vegetable oil coats the surface of lettuce when oil and lettuce are combined.

Tags

NGSS.MS-PS1-2

Which of these most likely describes a behavior that an animal learns and is not an instinct?

• A moth keeps flying around a bright light many times.

• A kitten makes purring sounds as a mother cat cleans its fur.

• A dog sits quietly and waits while its owner opens a bag of dog treats.

• A sea turtle returns to the location where it was hatched and lays its eggs there.

Jenny planted a pea plant in her garden and watered the plant every day. When the pea plant started to flower, Jenny noticed that the blooms were pink, and she thought they smelled wonderful! When the pea pods developed, they were yellow.

Which of the following is an inherited trait of the plant?

• The pea pods are yellow.

• The plant is located in Jenny's garden.

• The plant is watered every day.

• Jenny thinks the flowers smell nice.

Tags

NGSS.MS-LS3-1

NGSS.MS-LS4-4

Suppose an astronomer discovers a large, spherical-shaped body orbiting the Sun. The body is composed mostly of rock, and there are no other bodies sharing its orbit.

What is the best way to categorize this body?

• asteroid

• planet

• comet

• moon

Kelly has two cubes of sugar and decides to add them to a glass of water. The mass of the sugar cubes is 6.0 grams total. And the mass of the water, glass, and straw is 520 grams total. Once the sugar dissolves in the water, what will the total mass of Kelly's drink be (including the glass and straw)?

• 83 grams

• 526 grams

• 514 grams

• 580 grams

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5