Physical Science 1
What happens to the appearance of an object during a physical change?
A) It changes color
B) It changes shape or size
C) It becomes a different substance
D) Both A and B
D) Both A and B
What indicates a chemical change has occurred?
A) Change in size
B) Change in color
C) Change in state
D) All of the above
B) Change in color
What do we call the condition of the atmosphere at a particular time and place?
A) Climate
B) Weather
C) Temperature
D) Humidity
B) Weather
Which instrument is used to measure temperature?
A) Barometer
B) Thermometer
C) Anemometer
D) Hygrometer
B) Thermometer
What term describes a long-term pattern of weather in a particular area?
A) Weather
B) Meteorology
C) Climate
D) Atmosphere
C) Climate
Which of the following is an example of a physical change?
A) Rusting
B) Melting ice
C) Burning wood
D) Baking a cake
B) Melting ice
Which of the following is an example of a chemical change?
A) Chopping wood
B) Baking bread
C) Mixing salt and water
D) Melting butter
B) Baking bread
What type of cloud is fluffy and white, often indicating fair weather?
A) Cumulus
B) Stratus
C) Cirrus
D) Nimbus
A) Cumulus
What is the process called when water vapor cools and changes into liquid water?
A) Evaporation
B) Condensation
C) Precipitation
D) Sublimation
B) Condensation
Jordan collects some gold, white, and red rocks into a bucket. Then, he shakes the bucket so that the rocks are mixed. Jordan claims the rock mixture is a new substance. Why is Jordan’s claim incorrect?
A. because some of the rocks might have changed shape
B. because the rocks made noise as he shook the bucket
C. because he could separate individual rocks from the mixture
D. because the mixture is only made of solids
C. because he could separate individual rocks from the mixture
What occurs during a chemical reaction?
A) Atoms are rearranged
B) Mass is lost
C) Temperature always increases
D) There is no change in energy
A) Atoms are rearranged
What is the term for the amount of matter in an object?
A) Weight
B) Mass
C) Volume
D) Density
B) Mass
On a hot, humid day Max noticed water droplets had formed on the outside of his
bedroom window. What caused water droplets to form on the window?
A. condensation
B. evaporation
C. precipitation
D. transpiration
A. condensation
What role does the sun’s energy play in the process of transpiration in plants?
A The sun’s energy causes the moisture in plants to evaporate.
B The sun’s energy causes the moisture in plants to drip off the leaves.
C The sun’s energy causes the moisture in plants to return to the ground.
D The sun’s energy causes the moisture in plants to stay in the leaves until it rains.
A The sun’s energy causes the moisture in plants to evaporate.
What is the result of a chemical change?
A) New physical properties
B) New substances formed
C) Change in state
D) Both A and B
D) Both A and B
Why are some materials considered to be good conductors of heat?
A. because they can quickly transfer heat
B. because they easily bend when heated
C. because they absorb heat without touching an object
D. because they require a great amount of heat to melt
A. because they can quickly transfer heat
Which example would most likely suggest a new substance was formed? D
A. a substance changing shape when ben
B. a substance changing color after dye was added
C. a substance giving off bubbles without being heated
D. a substance going from solid to liquid when heat was added
C. a substance giving off bubbles without being heated
A meteorologist reads a barometer at 9:00 a.m. He reads it again in the afternoon
and notices a significant drop in pressure. Which choice describes the most likely weather in the evening for that location?
A. It will be a sunny, clear evening.
B. It will be a hot and humid evening.
C. There will be many storms.
D. There will be a light breeze.
C. There will be many storms.
The table below shows average temperature measurements from a city.
Day Average Temperature
Monday 54
Tuesday 57
Wednesday 61
Thursday 63
Friday 64
Between which two days did the city experience the greatest temperature change?
A. between Monday and Tuesday
B. between Tuesday and Wednesday
C. between Wednesday and Thursday
D. between Thursday and Friday
B. between Tuesday and Wednesday
What is a characteristic of a physical change?
A) New substances are formed
B) The change is permanent
C) The change can be reversed
D) Energy is released
C) The change can be reversed
Bonnie had a rubber ball that weighed 10 ounces. She placed it outside, then later noticed the ball was warm. Which choice describes the weight of the warm rubber ball?
A. The warm rubber ball should weigh 10 ounces.
B. The warm rubber ball should weigh more than 10 ounces.
C. The warm rubber ball should weigh less than 10 ounces.
D. The warm rubber ball’s weight cannot be determined.
A. The warm rubber ball should weigh 10 ounces.
A scientist fills a beaker with a 100-gram sample from the river. She separates the toxin from the water to examine it more closely. She pours the liquid toxin into another container. How does this affect the weight of the water sample left in the beaker?
A. It weighs the same because there was more water than toxin in the sample.
B. It weighs less because the water sample is cleaner without the toxin.
C. It weighs the same because the toxin is a liquid and has no mass.
D. It weighs less because the toxin is a liquid and has mass.
D. It weighs less because the toxin is a liquid and has mass.
On a warm winter day in North Carolina, the wind is blowing steadily from the south. The wind is supposed to change direction the next day and begin blowing from the north. Which prediction about the weather can be made, based on this information?
A. No precipitation will form.
B. More clouds will form.
C. Temperatures will be cooler.
D. Temperatures will be warmer.
C. Temperatures will be cooler.
Kennedy measured the daily high temperature outside her home for four days. She compared these measurements to the average high temperature for her region using the table below.
What do Kennedy’s measurements show?
Day. Daily High Temperature Average High Temperature
Monday 65 85
Tuesday 70 88
Wednesday 72 89
Thursday 72 87
A. The recent temperatures are lower than the normal average for her region.
B. The recent temperatures are higher than the normal average for her region.
C. The season is changing because there is a large difference between recent temperatures and average high temperatures.
D. The season is changing because there is a small difference between recent temperatures and average high temperatures.
A. The recent temperatures are lower than the normal average for her region.
Which of the following does not affect mass?
A) Temperature
B) Number of particles
C) Position in space
D) Volume
A) Temperature