The graph below shows changes in the length of the shadow of the school's flagpole for an entire school year. Each day, students measured the length of the school's flagpole shadow when the Sun was highest in the sky. Based on the information, what pattern occurs in the flagpole's shadow throughout the year?

The diagram below shows the relative positions of the Sun and Earth during a certain time of year. According to the diagram, which season is occurring in the Northern Hemisphere of Earth?

This table displays the sunrise and sunset data for Houston, Texas. Which of the following are the most reasonable predictions for sunrise and sunset on Day 20?

The Sun-Earth cycle is pictured. What process does the diagram illustrate?

During winter months, the sun appears

The diagram represents some of the phases of the moon. How often will these phases occur?

The picture shows the pattern of the Moon's appearance over the past month. There is a picture missing at the arrow. Which picture shows how the Moon would appear at the arrow?

On the first of the month, there was a new moon in the sky. On about what date will the next new moon occur?

A class is studying how the path of the sun crossing the sky changes during the day. Each hour a pair of students goes outside to measure the length of the shadow produced by a ruler. At what time was the shadow's length the shortest?

The graph shows changes in the length of the shadow of a tree during part of a day. If the day continues to be sunny, what will happen to the length of the shadow from 2pm to 4pm?

The shadows of 2 people are pictured in the photo. Based on the shadows in the image, which statement is true?

A student observed the apparent shape of the moon every night for a period of 60 days. On Day 10 the student observed a full moon. On which other day did the student most likely observe a full moon?

What change occurs during condensation?

The diagram shows a model of the water cycle created by a group of science students. What part of the model represents cloud formation in the water cycle?

What part of the model represents precipitation?

The diagram shows the water cycle. What change occurs at Point B in the water cycle?

Which of the following processes in the water cycle is a direct result of the Sun's energy?

What process in the water cycle occurred to form the object at location B in the diagram?

A student has been measuring and recording changes in weather. Her data is shown in the chart below. Which statement is best supported by the data on the chart shown above?

The students in Mrs. Beck's class recorded the amount of rainfall at the school for four months. The measurements were collected and recorded in the table below. According to the data collected, which of the following is the BEST conclusion?

The chart shows the high temperature for part of a week. If the temperature pattern continues into the weekend, what high temperature would be predicted for Saturday?

The pictures show a sidewalk at three different times on the same day. The changes were caused by the weather. Which table best describes the changes that most likely occurred between 6:00 A.M. andnoon?

What is the name of the tool that measures wind speed?

Which tool that measures air pressure?

The two weather maps show a front moving across Texas. In which of the following cities would you most likely see a drop in temperature between Day 1 and Day 2?

Rain, snow, sleet, and hail are all examples of -

Which particle of soil is the largest?

Students test the amount of water retained by different types of soil. Equal amounts of soil were added to four funnels with filters, then the same volume of water was poured through each soil sample. To determine the amount of water retained by each soil sample, the student would –

Students poured 200 mL of water through a soil sample. They collected and measured the water that drained from the soil. The water collected had a volume of 110 mL. How much water did the soil retain? Record your answer as a number only!

A student wants to find out which type of soil holds the most water. He uses four identical pots with holes in the bottom. He fills each pot with a different type of soil and waters the pots with the same amount of water. How can he find out how much water stays in the soil in each pot?

What property of soils is the student most likely examining with this procedure?

Washing out a plastic zip bag and using it again is known as -

The T-chart shows how some natural resources are classified. Which of the following should be placed where the question mark is to complete the chart?

Why is water classified as a renewable rather than a nonrenewable resource? Water is classified as renewable because it -

Which of these is classified as a renewable resource?

All of the following resources are classified as renewable EXCEPT –

The protection of resources is called -

What should be shown in Picture 2 to demonstrate trees are a renewable resource?

Scientists were collecting samples for their experiment. They were careful to use only renewable resources. What are renewable resources?

Which object is magnetic?

Which science tool measures mass?

What is the volume of the liquid?

What science tool is used to measure volume?

Sand and Water is an example of a _______________ because it can be easily separated and the sand and water maintain their properties when combined.

This tool would help separate a mixture of salt and water.

This tool would help separate a mixture of iron fillings and sand.

At what temperature does liquid water turn into a solid (ice)?

You can turn a liquid turns into gas by

You can turn a liquid into a solid by

At student measured the volume of a rock using water and a graduated cylinder.

What is the volume of the rock?

A student put a balloon on a balance before and after he blew up the balloon. What was he trying to prove?

Using a pot holder, a student places a beaker filled with water onto a hot plate to boil. How should the student measure the boiling point of the water?

A student observed several examples of materials mixed together in glass beakers. Which of the following samples is a solution?

Air is made of different gasses that are mixed evenly together. The gasses that make up air form a

True or False: A solution is a special kind of mixture.

Kelp is a plant that lives in shallow parts of the ocean. Kelp is vital because it is a producer. What is NOT needed by kelp to be able to make its own food?

A student planted a small plant inside a container and then sealed the container as shown in the image. The plant grew very quickly, but then began to die.

What is the possible cause for the plant dying as it grew larger?

Two students decided to plant a tree around the school to make the school look nice.

Which of the following is NOT something the tree will need to make its own food?

Camron bought an enclosed terrarium like the one shown to the left. The terrarium had a few plants and a few animals living inside.

Soon the plants began to die which was closely followed by the death of the animals. Which of the following is a good explanation as to why the animals died?

What do producers need to make their own food?

Bailey plants a vegetable garden in her backyard. She plants tomatoes and beans Unfortunately, slugs begin eating the vegetables while aphids begin eating the tomato flowers. The slugs and aphids are both

These trees all compete for sunlight. What would most likely happen if the taller trees were cut down?

Which of the following can produce its own food?

Which of the following best explains the primary role of decomposers in ecosystems? Decomposers –

Which organism is an example of a decomposer?

Sandra plants a vegetable garden in her backyard. She plants yellow squash and red peppers. Unfortunately, slugs begin eating the vegetables while squash bugs begin drinking the sap from the squash vines. The slugs and the squash bugs are both

In the food chain below, which animal represents a primary consumer?

In the food chain below, which animal represents a carnivore?

Look at the food web of a pond ecosystem. Which food chain shows the correct flow of energy in the pond of the food web?

After a forest fire, many of the animals move to a different location because there is no food available in the ecosystem. The first plants to return to the ecosystem are the grasses. Based on the food web above, the first animals to return to the ecosystem are —

What type of consumer is the chipmunk?

What is the source of energy for grasses in the food web?

In a model of a food web, decomposers -

The complex network of food chains in an ecosystem is called:

The arrows in a food chain or web represents what?

Colorful flowers with a sweet smell help some plants meet their needs in their habitat because they will be better able to -

How does the giraffes long neck help it survive in the African grasslands? This structure functions to help the giraffe

The bright, red color of the male cardinal is a structure that helps it–

Tigers are excellent predators. To survive, they hunt and eat other animals in their environment. All of the following characteristics of a tiger help it to be an effective predator except–

How does the grasshopper's green color help it survive on the prairie?

Which two traits best help a cactus conserve water in the dry conditions of a West Texas desert ecosystem?

Some animals, such as lions, have pointed teeth, while other animals, such as cows, have flat teeth. These differences in the shapes of these animal's teeth is most closely related to

Some students are outside on a nature walk around the school. They notice a lot of dandelions in different areas all over the school yard. Which structure helps dandelions spread to many locations in the school yard?

Which of the following behaviors is an inherited trait in dogs?

All of the following traits is inherited by an eagle EXCEPT-

Which of the following is an example of an instinct?

Which of the following traits of an organism is not passed on to its offspring?

Which of the following is a learned behavior?

Students recorded a number of characteristics of a plant growing in their classroom. Which characteristic was inherited from the plant’s parents?

A student raises a parrot from the time it hatches. Which of these behaviors did the parrot most likely learn from living in the student's home?

A bright red male cardinal comes to a school bird feeder every morning. Like other cardinals, this bird makes sharp chirping sounds as it hops around the bird feeder. Which of these is a learned behavior of this bird?

A group of students collected leaves from many different trees in order to study them. They recorded their observations about the leaves. Which of these observations does NOT describe an inherited trait?

Fred is a playful poodle with long, curly black fur. He enjoys fetching balls and sleeping on his soft bed. His owner took him to the groomers for a nail trim and hair cut. Which characteristic could be inherited by Fred's puppies?

Fern plants have reproductive parts called spores. Spores on a fern have the same function as which structure found on other plants?

What is the correct order of events in the life cycle of a green plant?

A student was out in his garden in the spring. He noticed some of his plants were beginning to grow and flower again. Other plants that were flowering last year were not growing at all this year. Which of the following BEST explains why some of the student's plants are growing again?

What are the stages of complete metamorphosis?

The diagram shows the life cycle of the butterfly and the life cycle of the grasshopper. Describe one way the life cycles are the same.

Some students are studying plants and animals. They are trying to find ways that plants and animals are similar. Which of the following happens in both plant and animal life cycles?

How is the life cycle of a butterfly similar to the life cycle of a frog? Both life cycles -