Matter Matters!
What state of matter has its atoms densely packed with little to no movement?
Solids
Which of the following forces moves a soccer player forward when running down the field?
A. The force of friction pulling on the player
B. The pushing force of the wind against the player
C. The pushing force between the player and the ground
D. The force of gravity pulling the player toward the ground
C. The pushing force between the player and the ground
Scientists discover a new animal in the Florida Everglades. Some information about the animal is listed below. Which additional information would help the scientists classify this animal as a fish rather than a reptile?
A. Lays eggs
B. Eats small animals
C. Breathes using gills
D. Swims in fresh water
C. Breathes using gills
Which of the following statements best describes a temperate climate zone?
A. It receives the most rain because of its altitude.
B. It has moderate temperatures because of its latitude.
C. It receives the least precipitation because of its elevation.
D. It has the warmest temperatures because of its lakes and seas.
B. It has moderate temperatures because of its latitude.
Earth _____________ on its axis, once every 24 hours.
Rotates
Rain, snow, sleet, hail
A clock displays time with numbers that light up. Which type of energy transformation causes the numbers to appear?
A. heat to light
B. sound to light
C. electrical to light
D. mechanical to light
C. electrical to light
Joseph mixes cooking oil and vinegar in a beaker. He records observations and his inferences about the mixture. Which of the following statements is an observation about this mixture rather than inference?
A. The liquids form two separate layers
B. The cooking oil will never completely mix with the vinegar
C. The cooking oil floats because it has less mass than the vinegar
D. The liquids will take the shape of any container into which they are poured
A. The liquids form two separate layers
The Florida Keys are a group of small islands. Human activities can have positive or negative effects on this ecosystem. Which of the following human activities would most likely have a positive effect on the Florida Keys ecosystem?
A. restoring the habitats of native animals
B. releasing nonnative animals into the wild
C. increasing fertilizer use on grasses and trees
D. removing grasses and trees from areas to be developed
A. restoring the habitats of native animals
It takes Earth ________ days to revolve around the Sun.
365 days
What process turns a gas into a liquid?
Condensation
Based on the food chain, which phrase describes the energy flow from a consumer to another consumer?
sun>alfalfa>grasshopper>ground squirrel>rattlesnake
A. from the grasshoppers to the alfalfa
B. from the alfalfa to the grasshoppers
C. from the ground squirrels to the rattlesnakes
D. from the ground squirrels to the grasshoppers
C. from the ground squirrels to the rattlesnakes
Which of the following describes the role of the leaves on a plant?
A. structural support
B. nutrient transport
C. water absorption
D. food production
B. nutrient transport
At which stage of the water cycle does the least amount of phase change occur?
A. precipitation
B. evaporation
C. condensation
D. run off
D. run off
Gina looks at the stars in the clear night sky. She notices that some stars are brighter than others. Which of the following characteristics do the brighter stars have compared to the other stars?
A. The brighter stars reflect more light from the Sun
B. The brighter stars give off less energy
C. The brighter stars are closer to Earth
D. The brighter stars have planets
C. The brighter stars are closer to Earth
A student wans to know how to make salt dissolve quickly in water. The student places a large piece of salt in a cup of warm water. The student measures how much time it takes for the salt to dissolve. Which of the following actions would BEST help the piece of salt dissolve faster?
A. Crush the salt
B. Add more water to the cup
C. Add the salt to the cup first
D. Decrease the temperature of the water
A. Crush the salt
Which type of organism should be included to complete the flow of energy in this food chain?
Sun>cactus>??>snake>fox
A. producer
B. predator
C. herbivore
D. carnivore
C. herbivore
In science class, students will complete the activities listed in the chart below to learn about birds. STUDENT ACTIVITIES
Activity 1 Keep a list of birds observed in the schoolyard.
Activity 2 Make models of the different types of bird beaks.
Activity 3 Use the Internet to find information about birds native to Florida.
Activity 4 Find out whether birds in the schoolyard prefer cracked corn or sunflower seeds.
Which student activity can be completed using scientific experimentation?
Activity 4
Mrs. Nelson is demonstrating to her class how to use physical properties to identify materials. She taps a piece of graphite with a hammer, and the graphite splits into thin sheets. Which property is the teacher demonstrating?
A. Cleavage
B. Hardness
C. Streak
D. Texture
A. Cleavage
Which of these statements best explains a relationship between Earth's movement and the appearance of the Sun as seen from Earth?
A. The Sun appears in the sky for longer periods during the summer beacause Earth rotates on its axis.
B. The Sun appears to become larger during the evening because Earth revolves around the Sun.
C. The Sun appears to travel across the sky during the day because Earth rotates on its axis.
D. The Sun appears to rise and set in the sky because Earth revolves around the Sun.
C. The Sun appears to travel across the sky during the day because Earth rotates on its axis.
What needs to be added to change water from a solid to a liquid?
A. cold water
B. heat
C. more ice
D. condensation
B. heat
Florida has many different natural resources. Which of the following resources would be most useful in the production of energy for homes and businesses?
A. limestone
B. phosphate
C. silica
D. wind
B. phosphate
Muscles and the skeleton work together to help keep humans healthy. Which of the following phrases best describes the function of the muscles and the bones of the skeleton?
A. provide support and protection to the body
B. warm the body when the temperature is cold
C. control body movement and collect information
D. guard the body against harmful viruses and germs
A. provide support and protection to the body
Minerals are identified by observing and testing their physical properties. Which of the following statements describes a physical property used to identify a mineral?
A. This mineral makes a black streak.
B. This mineral has a mass of 16 grams.
C. This mineral formed a long time ago.
D. This mineral was found at a local rock quarry.
A. This mineral makes a black streak.
Why do the stars appear to move across the night sky?
The stars appear to move across the night sky due to the rotation of the Earth on its axis.