A family breeds their two cats. The mother cat has four kittens after she mates with the father cat.
Which of the following best describes the traits that the kittens inherited?
A All the kittens inherited traits only from the father cat.
B All the kittens inherited traits only from the mother cat.
C Each kitten inherited some traits from the mother cat and some traits from the father cat.
D Two kittens inherited traits only from the mother cat and two kittens inherited traits only from the father cat.
C. Each kitten inherited some traits from the mother and the father
Which of the following best explains why more water flows in a river in Pittsfield in spring than in other seasons?
A. melting snow in spring causes more runoff
B. high winds in spring push on rivers at greater speed
C. average high temperature in spring results in fewer rainstorms
D. average low temperature in spring causes less water to evaporate from the river.
A. melting snow causes more runoff
What form of energy makes a compass needle point north?
A. electrical
B. heat
C. light
D. magnetic
D. magnetic
Inherited characteristics of trees come from which of the following:
A. air particles
B. parent trees
C. nutrients from soil
D. several nearby trees
B. parent trees
Which of the following is the source of all energy in the ecosystems?
A. air
B. grass
C. water
D. Sun
D. Sun
The characteristics of trees can be influenced by the environment and by inheritance. Determine whether each characteristic is the result of the environment, inheritance, or both the environment and inheritance.
The height of a tree in a forest is the result of
A. environment
B. inheritance
C. both environment and inheritence
C. both environment and inheritance
Clouds and precipitation moved across western Massachusetts one evening. The temperature changed from 41°F to 28°F. Which of the following changes in precipitation most likely occurred on this evening?
A. sleet changing to hail
B. snow changing to rain
C. rain changing to sleet
D. snow changing to hail
C. rain changing to sleet
Which of the following groups of materials is most likely used to build an electromagnet?
A. bare wire, plastic rod, battery
B. bare wire, iron rod, light bulb
C. insulated wire, iron rod, battery
D. insulated wire, plastic rod, light bulb
C. insulated wire, iron rod, battery
Which of the following is the MAIN role of flowers found on most flowering plants?
A. to take in air
B. to produce seeds
C. to absorb nutrients
D. to protect the stem
B. to produce seeds
Which of the following describes water changing from liquid to solid?
A. ice forming on a lake
B. dew forming on grass
C. snow melting into a puddle
D. water evaporating from a pond
A. ice forming on a lake
The characteristics of trees can be influenced by the environment and by inheritance. Determine whether each characteristic is the result of the environment, inheritance, or both the environment and inheritance.
A burn mark on a tree in a forest is the result of
A. environment
B. inheritance
C. both environment and inheritance
Which of the following data would be most useful for describing the climate of a specific area?
A. average weekly wind speeds for 1 month
B. daily relative humidity levels for 18 months
C. total annual precipitation amounts for 2 years
D. average high and low monthly temperatures for 20 years
D. average high and low for 20 years
Which of the following is an example of a form of energy?
A. air in a sealed jar
B. wire in a metal hanger
C. water in a small puddle
D. sound in a loud classroom
D. sound in a classroom
In a meadow ecosystem, mice receive most of the energy they need to survive directly from which of the following sources?
A. minerals
B. oxygen
C. plants
D. water
C. plants
A bird has just hatched from an egg. Which of the following stages most likely comes next in the life cycle of the bird?
A. birth
B. death
C. growth
D. reproduction
C. growth
Which of the following happens only during the adult stage of the life cycle of a frog?
A. A frog lays eggs.
B. A frog swims in water.
C. A frog begins to lose its tail.
D. A frog begins to develop lungs.
The Sun appears to move across the sky each day, rising in the east and setting in the west. What causes this apparent motion?
A. the rotation of Earth on its axis
B. the revolution of the Sun around Earth
C. the Earth’s distance from the Sun
D. the properties of Earth’s atmosphere
A. rotation of Earth on its axis
Which of the following materials would absorb the greatest amount of light when placed in the Sun?
A. aluminum foil
B. black towel
C. clear glass
D. white paper
B. black towel
Which of the following describes an instinctive behavior?
A. a behavior that occurs only in adult fish
B. a behavior that occurs only in small mammals
C. a behavior that an animal learns how to do over time
D. a behavior that an animal is born knowing how to do
D. a behavior that an animal is born knowing how to do
Water moves directly from a lake to the air by which of the following processes?
A. condensation
B. evaporation
C. precipitation
D. sedimentation
B. evaporation
Which of the following characteristics of an individual wolf is most affected by its environment?
A. the size of its feet
B. the color of its eyes
C. the shape of its ears
D. the condition of its fur
D. condition of its fur
In a city near the ocean, fog often forms on summer mornings. Which of the following statements best explains how this fog forms?
A. ocean water evaporates and then condenses
Which of the following objects would reflect the greatest amount of light from a flashlight?
A. a brick wall
B. a glass window
C. a bathroom mirror
D. a sheet of black paper
C. mirror
Which of the following examples best describes one type of energy changing into another?
A. a magnet sticking to a refrigerator
B. sound traveling through a solid wall
C. an electric heater warming up a cold room
D. light rays bending as they pass through glass
C. electric heater warming up a room
How many objects in our solar system can be classified as a star?
A. 0
B. 1
C. 3
D. 9
B. 1