Human Systems
what is the main function of the skeletal system?
It provides support.
Similar to the skeleton, what part of a plant offers support for the plant?
Stem or Trunk
This organ pumps blood throughout the animals body.
Heart
A student notices that frogs are all gathering at one end of the pond. What has the student just done?
A. observed
B. experimented
C. hypothesized
D. collected data
A. observed
Mrs. Nelson is demonstrating to her class how to use physical properties to identify minerals. She taps a piece of graphite with a hammer, and the graphite splits into thin sheets. Which property of minerals is the teacher demonstrating?
Cleavage
SC.5.L.14.1
What organ removes waste from the blood?
Kidneys
SC.5.L.14.2
What do roots do for a plant?
Roots stabilize the plant in place and brings water and nutrients to the stem.
Animals have adaptations to protect themselves form predators. Which adaptation helps organisms to hide from predators?
a.) Having a strong sence of smell.
b.) Having spikes.
c.) Having sharp teeth
d.) Changing color.
d.) Changing color.
What does conducting multiple trials help scientists do?
A. spend more time in the laboratory
B. reduce experimental errors
C. use more materials
D. make the experiment more difficult
B. reduce experimental errors
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
SC.5.L.14.1
What is one organ that is a part of the cardiovascular system and what is its function?
The heart pumps blood and nutrients through veins and arteries through the body.
ex: heart, blood vessels (arteries, veins, capillaries), and blood
SC.5.L.14.2
1.) What part of plants does photosynthesis happen?
1.) Leaves
How does an exoskeleton helps an animal survive?
it provides protection and support
he ability to reproduce results is an important part of any science experiment. A study is only replicable if the scientist performs the exact same experiment at least twice and
A. collects data the same way.
B. uses the same data analysis.
C. arrives at the same conclusion.
D. collects data the same way, uses the same analysis, and arrives at the same conclusion.
D. collects data the same way, uses the same analysis, and arrives at the same conclusion.
Joseph mixes cooking oil and vinegar in a beaker. He records his observations and his inferences about the mixture. Which of the following statements is an observation about this mixture rather than an 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.
SC.5.L.14.1
What part of the digestive system absorbs most of the nutrients?
The small intestine.
What is the name of the tube like structure that is inside the stem of a plant?
A. Roots
B. Leaves
C. Xylem
D. Petals
C. The Xylem
how does the stomach and intestines work together to help an animal?
the stomach breaks down food and intestines absorb nutrients?
Why do scientists repeat their experiments multiple times?
to make sure their results are accurate and reliable.
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.
SC.5.L.14.1
What is the largest sensory organ?
The skin is the largest sensory organ.
This plant structure makes food using sunlight.
A. Roots
B. Leaves
C. Xylem
D. Petals
B. Leaves
What is the difference between an endoskeleton and an exoskeleton.
endoskeleton is inside the body and exoskeleton is outside
Which statement correctly identifies a key difference between an experiment and an observational study?
A. Experiments do not involve any variables.
B. Experiments involve changing variables to test a hypothesis.
C. Observational studies require a laboratory setting.
D. Observational studies always involve surveys.
B. Experiments involve changing variables to test a hypothesis.
Bill conducts an investigation to observe how far paper airplanes can fly. After the investigation, Bill claims that adding mass to the paper airplanes causes them to fly farther. Which of the following does Bill need to support his claim?
A. a list of questions about mass and distance to be answered by an investigation
B. a description of materials used to measure mass and distance in an investigation
C. observations of the distances the airplanes of different masses fly during an investigation
D. predictions of the distances the airplanes of different masses will fly during an investigation
C. observations of the distances the airplanes of different masses fly during an investigation