A decomposer is an organism that

Which adaptation often helps an animal attract a mate?

Living things depend on energy from

The long neck on the baby giraffe is

Some birds fly south before winter each year. This is an example of

A decrease in air temperature from 60°F to 35°F would most likely cause a

person to

What is the main function of the spines on the prickly cactus plant?

After several weeks, a student observes that the water level in the tank

is lower. What process caused this to happen?

Growing thicker fur in the winter helps some animals to

Apple trees can live for many years, but bean plants usually live for only

a few months. This statement suggests that

What is the source of energy for the water cycle?

If all the water from container A is poured into container B and they have different heights, which

property of the water will change?

Container A has 150 mL and Container B is empty. If all of the water from Container A is poured into Container B, what will happen to the volume of the water?

What process causes a land surface changes caused by a river

flowing through an area for many years?

The ramp for a wheelchair is using is an example of which simple machine?

An object’s hardness, taste, and texture are examples of

Which instrument should a student use to measure exactly 10 milliliters

(mL) of water?

An object’s hardness, taste, and texture are examples of

What motion causes day and night?

Which unit of measurement can be used to describe the length of a desk?

What form of energy causes an ice cube to melt?

Which human activity will help conserve Earth’s natural resources?

What is the main source of energy for all of the organisms in most food chains?

Which type of organism helps return nutrients from dead plants and animals to the soil?

A bird builds a nest to

In the spring and early summer, bears often scratch their backs against trees to remove winter fur. This is an example of an animal

The correct order of a plant’s stages of growth and development is

An octopus squirts black ink around itself to hide from predators. This adaptation is an example of

Which structure produces seeds for reproduction?

Which structure takes in water and nutrients from the soil?

During which process do animals increase in size?

Which trait can children inherit from their parents?

Which process is common to most living things?

Which tool should a student use to examine spots on a frog?

Volume and mass are properties of

Which color baseball cap would absorb the most light on a sunny day?

Which object is the best conductor of electricity?

An object is attracted to a magnet. When the magnet is moved away from the object, the magnetic force on the object will

Which energy transfer occurs when a student blows a whistle?

Which unit of measurement should be used to describe the mass of an apple?

Which process occurs when ocean waves drop seashells on a beach?

Which two terms are used to describe weather?

How many months does it take for the Earth to revolve around the sun.

Which organism in this food chain is a producer?

Large birds have been eating small animals in an area. If all of the large birds died from a disease, the number of small animals in the area would probably

Which body structure helps the penguin stay warm as it dives into icy water?

Which processes occur in all species of animals?

A body structure under a skunk’s tail produces a liquid with a very bad odor. This odor helps the skunk to

Many animals blend in with their environment and can not be easily seen by predators. This is an example of which adaptation?

The fur of some animals becomes thicker in the winter and is shed in the spring. These observations show how animals

A butterfly lays an egg. The egg hatches into a larva. The larva becomes a pupa and then changes into a butterfly. This process is called

The main function of a tree’s trunk is to provide

A prairie dog living in a community barks loudly. Other prairie dogs nearby know that danger is near and quickly go underground to hide. Which sense are these prairie dogs using to communicate?

Which trait would a cat most likely inherit from its parents?

Which type of energy is the person using to move the wheelchair up the ramp?

A ramp for a wheelchair is an example of which simple machine?

Solar panels are used to absorb sunlight. Which color panel would absorb the most sunlight?

A boy can see his face when he looks into a calm pond. Which physical

property of the pond makes this happen?

In order to toast a slice of bread, the toaster changes electrical energy

into which other type of energy?

Which property of an object determines how well it conducts electricity?

A student planted two bean seeds in two identical pots containing the

same type of soil. He placed one pot in a closet and the other near a

sunny window. Each day, he poured 15 milliliters of water into each pot.

Which factor was different for the two pots?

A rubber ball rolls across a level surface. The ball will eventually stop

rolling due to

A student reaches into a bag of objects. Which property of the objects can be observed by using only the sense of touch?

A student removes an ice cube tray from the freezer and places it on a

table. The ice cubes are solid and cold. The student forgets to put the ice cube tray back into the freezer. The next day, the ice cubes should be

Which state of matter has no definite volume and no definite shape?

The condition of the air outdoors at a certain time of day is known as

About how long does it take Earth to make one revolution around the sun?

why to turtles bury their eggs?

What causes a ball to curve down after you throw it?

A closed circuit is ___ energy.

Electrical energy transforms to ___ energy when passing through a light bulb.

Plastics are harmful because it ___.

A closed circuit is ___ energy.

Oxygen is a state of liquid.

Water freezing is an example of a

Which is a poor conductor?

Which is a good conductor?

Which of the following is not a renewal source of energy?

Electricity is the movement of ___

Cactus has a thick covering to ___.

Which landform is formed from deposition of sediment carried by a river?

What would cause a light bulb to be dimmer?

Experiments are mostly to test ___.

What is an example of slow processes?

Hibernation is a way that animals can ___.

Fast flowing river change the landscape of the Earth by ___ the soil.

The picking up sediments is ___.

New land that is formed from lava results from ___.

Glacier canals are a result of ___.

Plant cells have ___ that animal cells don't have.

What kind of change is rusting?

Salt is a solution. How would you separate its contents?

Which is one of the main reasons animals migrate to the South during winter?

The Earth takes one year to ____ around the sun.

Volcanoes can be used as sources of __.

___ is when one object completes a circular path around another object.

The Earth completes one ___ every 24 hours.

The Earth rotates on its ___.

the primary effect of Earth's rotation is ____.

___ makes it easier to pull something the ground.

____ supply energy in an electrical circuit.

How do animals receive energy from the sun?

Which statement describes a chemical change?

A ___ happens when one or more substances change into entirely new substances with different properties

A change in matter that produces a new substance with different properties from the original is a ___ change.

When you add vinegar and baking soda together, you get a ___

After a volcanic eruption

Electricity flows when

Electricity is moving _____.

The primary source of energy is...

A change in size, shape, or state that does not form a new substance is a ____ change.

Name the energy that flows through the wind

Which is a possible food chain?

What happens if Earth rotates faster?

When something is added to water and it changes, it...

Rocks start off as ___, and then change to ___.

When you throw a ball, what causes the ball to curve down?

What do plant cells have that animal cells don't?

A strong earthquake will result in...

Animals receive energy from the sun by ...

When there is a volcanic eruption,

Name the primary source of energy.

When something is added to water and it changes...

What is one benefit of solar panels?

Which statement is true?

Which are used to describe weather?

Which process occurs when ocean waves drop seashells on a beach?

which unit of measurement should be used to describe a pear?