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What is everything that has mass and takes up space?
Matter
Definition: properties of matter that can be observed or measured
Physical Properties
What are the 3 states of matter?
Solid, liquid, and gas
What are the three states of matter?
A. Hot, Cold, and Warm
B. Solid, Liquid, and Gas
C. Water, Ice, and Vapor
D. Rock, Metal, and Air
Heat
What causes ice to change into water?
A. Cutting
B. Heat
C. Air
D. Pressure
B. Heat
The amount of matter in something
Mass
Which of the following best describes matter?
A. Anything that moves fast B. Anything that is solid only
C. Anything that has mass and takes up space D. Anything that can change shape
C. Anything that has mass and takes up space
What is the shape and volume of a solid?
A. No definite shape, definite volume B. Definite shape, definite volume
C. No definite shape, no definite volume D. Definite shape, no definite volume
B. Definite shape, definite volume
Adding heat to a pot of water will change the liquid into what state?
Gas
What happens to water when it is heated and starts to boil?
A. It changes into a solid because it loses heat
B. It changes into gas because heat causes it to evaporate
C. It becomes colder and turns into ice
D. It remains the same even when heated
B. It changes into gas because heat causes it to evaporate
Ice cubes changing into water is caused by what?
Heat
How are the particles in a liquid different from those in a solid?
A. Particles in a liquid are packed tightly and do not move.
B. Particles in a liquid are spread far apart and move freely.
C. Particles in a liquid can slide past one another, while those in a solid are tightly packed and fixed.
D. Particles in both are exactly the same.
C. Particles in a liquid can slide past one another, while those in a solid are tightly packed and fixed.
An ice cube is in what state of matter?
Solid
Why does an ice cube melt when left in a warm room?
A. Because the room is cold
B. Because the ice absorbs heat, causing it to change into liquid
C. Because the air turns into ice
D. Because the water turns into gas immediately
B. Because the ice absorbs heat, causing it to change into liquid
A balloon filled with air is an example of gas. What property of gas does the balloon demonstrate?
A. Gases have a fixed shape and size.
B. Gases stay in one place and do not move.
C. Gases fill the space of the container they are in.
D. Gases can be touched and held like solids.
C. Gases fill the space of the container they are in.
You need to measure 150 mL of water. Which tool should you use?
A. Thermometer
B. Ruler
C. Balance scale
D. Graduated cylinder
D. Graduated cylinder
If you pour 500 mL of juice into a 1-liter container, how much space is left in the container?
A. 250 Ml
B. 1 liter
C. 500 mL
D. 1,000 mL
C. 500 mL
Steam is in what state?
What is a gas
A student measures 2 liters of water in a beaker and pours it into two 1-liter bottles. What does this show about liquids?
A. Liquids have no volume
B. Liquids change their shape and volume
C. Liquids keep their volume but change shape
D. Liquids cannot be measured
C. Liquids keep their volume but change shape
You are asked to heat ice until it changes into water. What state change occurs?
A. Solid to gas
B. Gas to liquid
C. Liquid to solid
D. Solid to liquid
D. Solid to liquid
Why does water turn into steam when boiled?
A. Because cold temperature freezes the water B. Because it reacts with air
C. Because heat causes it to change into gas D. Because water disappears when it’s hot
C. Because heat causes it to change into gas
A wet shirt is hung under the sun. After some time, it becomes dry. What process caused this change?
A. Freezing
B. Melting
C. Evaporation
D. Condensation
C. Evaporation
A student heats a piece of ice and observes that it melts, then boils, and finally evaporates into the air. Which of the following scenarios explains why this happens in the correct order?
A. The ice melts at low temperatures, becomes a liquid at high temperatures, and then turns into gas.
B. The ice turns into a liquid without changing temperature.
C. The ice skips melting and directly turns into gas.
D. The ice remains solid as the temperature increases
A. The ice melts at low temperatures, becomes a liquid at high temperatures, and then turns into gas.
What is the first step in a scientific investigation?
A. Collecting data
B. Asking a question or identifying the problem
C. Analyzing results
D. Making a conclusion
B. Asking a question or identifying the problem
D. Correct the measurement, document the error, and repeat the measurement with the correct unit.