CATEGORY A
Which of the following is most likely passed from parents to their children?
A. no
B. yes
B.yes
Which parts of a river ecosystem are nonliving?
A. fish and air
B. algae and rocks
C. insects and birds
D. water and sunlight
D. water and sunlight
A compass uses ________ to show direction.
A. electricity
B. solar energy
C. magnetism
D. radiation
C. magnetism
Plants use photosynthesis to make ________.
A. soil
B. food
C. sunlight
D. water
B. food
Which of the following tools is used to measure weight?
A. a spring scale
B. a meter stick
C. a microscope
D. a graduated cylinder
A. a spring scale
When a mother deer leaves its young, the young deer usually lies still in the grass. How does
this behavior most likely help the young deer survive?
A. helps mother deer find food for young deer
B. helps mother deer find young deer by its smell
C. helps make sure young deer gets enough water
D. helps make it hard for other animals to see deer
D. helps make it hard for other animals to see deer
Which nonliving part of the environment helps trees make their own food?
A. heat
B. wind
C. oxygen
D. sunlight
D. sunlight
Which of the following is the adult stage of a tulip?
A. pollination
B. seed
C. seedling
D. flower
D. flower
When two objects rub together, the force that opposes the motion of the objects is called _______.
A. electricity
B. friction
C. gravity
D. magnetism
B. friction
Magnetism is an example of ______ because it is able to push and pull things.
A. gravity
B. matter
C. a force
D. a law
C. a force
Which is a way that Earth's moon moves?
A. It moves randomly around the solar system.
B. It revolves around Venus.
C. It does not move.
D. It rotates on its axis.
D. It rotates on its axis.
Which statement describes how cutting down trees in the forest would most likely affects
the squirrel?
A. Cutting down trees reduces light in the forest.
B. Cutting down trees makes food less available.
C. Cutting down trees reduces rainfall in the forest.
D. Cutting down trees makes shelter available.
B. Cutting down trees makes food less available.
Helping the body breathe is a major function of the _______ system.
A. skeletal
B. muscular
C. digestive
D. respiratory
D. respiratory
What causes the leaves to land on the ground?
A. birds
B. gravity
C. magnetism
D. evaporation
B. gravity
Earth is large compared to Pluto. Earth is small compared to Jupiter. This is an example of
A. relative distance.
B. planetary motion.
C. gravity.
D. relative size.
D. relative size.
1. Which statement best describes a need that is different between fish and plants?
A. Only plants need water to grow.
B. Only plants need food for energy.
C. Only fish need oxygen to breathe.
D. Only fish need sunlight to make food.
A. Only plants need water to grow.
Which kind of land is found on a farm?
A. housing
B. agricultural
C. commercial
D. transportation
B. agricultural
What is nature’s way of ensuring that a species survives?
A. extinction
B. conservation
C. reproduction
D. migration
C. reproduction
Which of the following is true?
A. The Sun is an important part of an ecosystem.
B. The air has no effect on ecosystems.
C. Moon is most important part of an ecosystem.
D. The Sun has no effect on ecosystems.
A. The Sun is an important part of an ecosystem.
Which of the following takes on the shape of its container but does not expand to fill the container?
A. a solid
B. a liquid
C. a gas
D. all of these
B. a liquid
A river is NOT a living thing. Which of the following best explains this statement?
A. A river doesn't eat or use food or energy.
B. A river's temperature changes.
C. A river doesn't have scales, fur, or feathers.
D. A river doesn't have internal/external skeleton.
A. A river doesn't eat or use food or energy.
Bruce has a scar on his forehead, a chin dimple, a chipped front tooth, and a moustache. Which feature is a trait that he could pass on to his children?
A. chipped tooth
B. chin dimple
C. scar
D. moustache
B. chin dimple
A year is the time it takes for
A. the Sun to make one complete spin on its axis.
B. Earth to make a complete circle around the Sun.
C. Moon to make one complete circle around Earth.
D. Earth to make one complete spin on its axis.
B. Earth to make a complete circle around the Sun.
People and animals breathe in oxygen from the air and exhale carbon dioxide. What happens to the carbon dioxide in the air?
A. Some animals breathe in carbon dioxide and exhale oxygen.
B. Plants use carbon dioxide to make sugars and oxygen.
C. The carbon dioxide floats into the atmosphere and forms clouds.
D. Carbon dioxide settles into the soil, leaving only oxygen in the air.
B. Plants use carbon dioxide to make sugars and oxygen.
Bacteria are very tiny living organisms. Trisha wants to study how bacteria respond to light. Which of the following pieces of equipment will she most likely need to use for her investigation?
A. a telescope
B. a meter stick
C. a microscope
D. a spring scale
C. a microscope