STAAR REVIEW

In 1995, what is the difference between total number of beavers and total number of wolves?

• 14

• 2

• 12

• 5

At which stage in the life cycle of a plant are seeds produced?

• Young plant
• Sprouting seed
• Seedling
• Mature plant

The diagram shows a series circuit with three lit bulbs.  How many bulbs will remain lit if the wire is cut at the point shown by the arrow?

• 0
• 1
• 2
• 3

A student reads the label on the bottle of salad dressing.  Why would the student shake the salad dressing before using it?

• Vinegar and oil have different densities
• Vinegar and oil easily form a solution
• Vinegar and oil both contain water
• Vinegar and oil are both liquids

Scientists use telescopes to make distant object appear closer. Some parts of the telescope are shown here. Which of the following best describes what is happening?

• The objective lens produces light
• The objective lens blocks light
• The objective lens reflects light
• The objective lens refracts light

Crayfish live in water and often hide under rocks until they come out to eat.  Which of the following is a trait they inherited from its parents?

• The average distance it travels a day
• The number of legs it has
• The amount of food it eats each day
• The types of plants in its habitat

A string of lights with small bulbs is shown.  The bulbs are connected by wire covered with an insulator.  When the lights are on, electricity travels in --

• a complete circuit
• a sound wave
• a light ray
• an incomplete path

Eagles catch fish in rivers with their talons then tears the fish into small pieces to eat it. Which bird most likely catches and eats its food the same way?

• F
• G
• H
• J

Look at the diagram of our solar system.  What is Earth's position from the sun?

• first
• third
• fifth
• seventh

All organisms undergo a series of orderly changes in their life cycle.  Which organism has a pupa life stage?

• grasshopper
• tomato plant
• ladybug
• frog