Physical Science
Shawn is moving and has to move the following items from his house to the truck. Which will require the least amount of force?
A. Blanket
B. Lamp
C. A Chair
D. A couch
A. Blanket
What could type brings light rain?
Stratus
Paramecium, Euglena, Amoeba, Bacteria, etc
A wagon is pushed in a straight line. How would and increase in friction on the wagon wheels affect the wagon?
A. It would cause the wagon to move faster.
B. It would cause the wagon to change mass.
C. It would cause the wagon to change direction.
D. It would cause the wagon to slow down.
D. It would cause the wagon to slow down.
Which classification best describes herbivores?
A. producers
B. consumers
C. predators
D. decomposers
B. consumers
Tina mixes 100 grams of water & 20 grams of sugar. The sugar dissolves completely so it cannot longer be seen. What is the mass of the new mixture?
120 grams
Which type of air mass brings moisture?
A Polar
B Tropical
C Continental
D Maritime
D Maritime
Give an example of an omnivore.
Bear, raccoon, badger, opossum, raven, rat, etc
A student observed a piece of iron change from shiny to rusty. What caused this change?
A. a chemical reaction
B. a cold reaction
C. a heat reaction
D. a physical reaction
A. a chemical reaction
What will be most affected if the decomposers in an ecosystem were removed?
A. the spread of disease
B. the availability of water
C. the quality of soil
D. the distribution of organisms
C. the quality of soil
What heat transfer type causes the bottom of a swimming pool to be cooler and the surface water to be to warmer.
Convection
What causes the east coast of the US and parts of Europe to have mild winters?
A Jet Stream
B Gulf Stream
C El Nino
D La Nina
B Gulf Stream
Why do offspring look similar to their parents?
Because they share DNA.
Which is the best example of heat transfer by radiation?
A. water boiling
B. ice melting
C. a hot air balloon rising
D. a lightbulb glowing
D. a lightbulb glowing
Which has the greatest effect on the amount of salt in a salt marsh?
A. the number of animals living in the marsh
B. the closeness of the marsh to the ocean
C. the depth of the water in the marsh
D. the temperature of the water in the marsh
B. the closeness of the marsh to the ocean
Give an example of a time where there is low friction and a time were there is high friction.
If you look at a barometer and the needle is rising what can you expect the weather to be like?
Sunny, few clouds and no rain.
What body systems (2) are responsible for transporting gases throughout the body?
Which is most responsible for the changes in season?
A. the jet stream
B. the ocean currents
C. the distance from the Earth to the Sun
D. the tilt of Earth on its axis
D. the tilt of Earth on its axis
Stirring a cup of hot tea causes a metal spoon to get warm. Which statement best explains why the spoon gets hot?
A. Heat energy transfers from the metal spoon to the hot liquid.
B. Heat energy transfer from the hot tea to the spoon.
C. Heat energy transfers from the air to the hot liquid, and then to the spoon.
D. Heat energy transfers from the hot liquid to the cup, to then to the spoon.
B. Heat energy transfer from the hot tea to the spoon.
Give an example of something that represents a physical AND chemical change.
A burning candle (the burning wick is chemical and wax physical)
Burning wood (the water in the wood will turn to vapor)
Eating (chewing is physical, digestion is chemical)
What type of clothing should you wear if a cold front is approaching?
Rain jacket, rain boots, umbrella, etc
Which biome has leaves that fall off in the fall and also has 4 distinct seasons?
Which best explains why a storm that affects an area in the western United States may affect an area in the eastern United States a few days later?
A. The jet stream winds blow from east to west.
B. The jet stream winds blow from west to east.
C. Cool Gulf Stream water causes storms to form in the east.
D. Warm Gulf Stream water causes storms to form in the west.
B. The jet stream winds blow from west to east.
Which instrument is best used to predict weather changes?
A. a hygrometer
B. and anemometer
C. a thermometer
D. a barometer
D. a barometer