Nature of Science
Which of the following is not an example of a testable question?
A. How can we develop an effective vaccine to protect us from a virus?
B. How can we clean up our oceans to save the organisms that live there?
C. Why does changing the temperature of the surroundings impact cold-blooded organisms?
D. How can we power our vehicles, homes and businesses without depleting our natural resources?
C. Why does changing the temperature of the surroundings impact cold-blooded organisms?
Why does the Sun appear as the largest star in the sky?
A. The Sun is bigger than all the other stars in the galaxy
B. The Sun is the closest star to the Earth
C. The Sun generates the most light energy
D. The Sun generates the most thermal (heat) energy
B. The Sun is the closest star to the Earth
What is mass measured with?
A. Thermometer
B. Pan balance
C. Measuring cup
D. Beaker
B. Pan balance
What is the largest organ in the human body?
A. Brain
B. Heart
C. Skin
D. Large intestine
C. Skin
Chloe was learning about the changes water undergoes. Which two changes to water involve an increase in heat?
A. Melting and condensation
B. Freezing and evaporation
C. Melting and evaporation
D. Evaporation and condensation
C. Melting and evaporation
What is the definition of a test group?
A. The part of the experiment which is changed on purpose
B. The group in the experiment that is left the same
C. The factor which is measured after testing to show the difference between groups of variables
D. The group with the change the scientist is investigating
D. The group with the change the scientist is investigating
Which of the following descriptions is a characteristic of a metamorphic rock?
A. Can be glassy
B. Can contain ribbon-like layers
C. Can have flat layers
D. Can contain gas bubbles
B. Can contain ribbon-like layers
Which of the following is a characteristic of a gas, liquid, and solid
A. Can be different colors
B. Can have a bumpy texture
C. Have a definite volume
D. Can break
A. Can be different colors
Which of the following plant characteristics describes a spore?
A. Produces a new plant when it germinates
B. Anchors the plant in place
C. Transports water and nutrients throughout the plant
D. A seed-like structure that produces a new plant
D. A seed-like structure that produces a new plant
Which moon phase occurs before the full moon phase?
A. Last Quarter Moon
B. First Quarter Moon
C. New Moon
D. Crescent Moon
B. First Quarter Moon
Mac wanted to complete a controlled experiment on how the size of a basketball affects how many times it will bounce. Why is it important for Mac to identify a control group for his experiment?
A. A control group is required to keep every variable the same
B. A control group is required to compare what you are testing to what normally occurs
C. A control group is required to follow all the steps of the scientific method
D. A control group is required because it is the variable you are testing
B. A control group is required to compare what you are testing to what normally occurs
Which of the following statements is correct?
A. A galaxy is eight planets and any other objects orbiting the Sun
B. A galaxy is gas, dust, one star, and the planets orbiting that star
C. A galaxy is gas, dust, and a star
D. A galaxy is stars, gas, dust, and any other objects orbiting that star
D. A galaxy is stars, gas, dust, and any other objects orbiting that star
Which of the following is not an insulator?
A. Aluminum foil
B. Wooden log
C. Glass cup
D. Plastic bottle
A. Aluminum foil
Which of the following is not a characteristic of a reptile?
A. Dry scaly skin
B. Cold-blooded
C. Lay eggs
D. Invertebrates
D. Invertebrates
In what direction does heat flow?
Hot (or warmer) surroundings to cold (or cooler) surroundings. This occurs in both air and water.
Read the statement below and determine if it describes an experiment, other scientific investigations, or both.
Variables are manipulated or controlled by the scientist.
Experiment only
Which of the following statements describes luster?
A. A scientist observes that a mineral has jagged edges when it breaks.
B. A scientist observes two minerals of the same hue
C. A scientist records that a mineral is dull in appearance
D. A scientist rubs a mineral to observe the powder left behind
C. A scientist records that a mineral is dull in appearance
Bob pulled open a door as he walked into his favorite restaurant. He turned on the light at his table to read the menu. Bob spoke with the waiter to order his food. After eating his food he read the paper to allow his food time to digest. Which of Bob's actions is an example of chemical energy?
A. Speaking to the waiter
B. Opening the door
C. Digesting his food
D. Turning on the light
C. Digesting his food
Which of the following describes one of the correct functions of the pancreas?
A. Makes enzymes which are released into the small intestine to break down food
B. Cleans the toxins from the blood coming out from the digestive system
C. Absorbs the nutrients from food into the bloodstream
D. Stores urine in the body until it is ready to be released
A. Makes enzymes which are released into the small intestine to break down food
Which of the following precipitation terms is correctly paired with its definition?
A. Sleet- solid precipitation which generally falls in the winter in temperate zones
B. Hail- solid precipitation that can fall during a storm from cumulonimbus clouds
C. Snow- liquid precipitation which falls when the air temperature from the clouds to the ground is above freezing
D. Rain- a form of precipitation which falls as a solid/liquid mix
B. Hail- solid precipitation that can fall during a storm from cumulonimbus clouds
Bella is designing an experiment to see what food brand is the most popular among middle school students. Which statement best describes why Bella should write down her experimental procedure and record her data?
A. The data will prove the popularity of certain food brands
B. The data will help people decide what food brand to shop at
C. The data can be compared to those who have replicated the experiment
D. The data can be altered to prove an initial hypothesis
C. The data can be compared to those who have replicated the experiment
A. New Smyrna Beach likely experiences lower humidity and more precipitation because it is near the large body of water
B. New Smyrna Beach likely has higher humidity and less precipitation because the water stays in the large body of water
C. New Smyrna Beach likely has extreme differences between daytime and nighttime temperatures
D. New Smyrna Beach likely experiences less extreme differences between daytime and nighttime temperatures.
D. New Smyrna Beach likely experiences less extreme differences between daytime and nighttime temperatures.
Emily filled a large glass bowl with iron paper clips, marbles, erasers, steel nails, small rocks, and aluminum caps. If she placed a strong magnet near the items in the glass bowl, which items would be attracted to the magnet?
A. The marbles and erasers
B. The iron paper clips and small rocks
C. The steel nails and small rocks
D. The iron paper clips and steel nails
D. The iron paper clips and steel nails
A wet environment is hit by a drought and suddenly becomes a very dry environment. How will the plants in the environment respond to this change?
A. The plants adapted to the wet environment will die and no other plants will ever grow there
B. The plants adapted to the wet environment will die and plants adapted to the dry conditions will eventually germinate there
C. The wet environment plants will change their characteristics so that they are adapted to live in dry conditions
D. The plants will pull up their roots and use the wind to carry them to a new place where they are adapted to live and grow
B. The plants adapted to the wet environment will die and plants adapted to the dry conditions will eventually germinate there
The brown fur of a rabbit found in colder regions allows it to be camouflaged in the woods during the summer. How will the rabbit respond to the changing season in the colder region during the winter?
A. The rabbit will not respond to the changing seasons
B. The rabbit will migrate to a warmer place
C. The rabbit will shed its brown summer coat and grow a white coat
D. The rabbit will hibernate to avoid the harsh winter conditions
C. The rabbit will shed its brown summer coat and grow a white coat