charles_booker
charles_booker 13h ago β€’ 0 views

matter and its properties quiz grade 7

Hey there, future scientists! πŸ‘‹ Getting ready for your Grade 7 Matter and Properties quiz? Don't sweat it! I've got a quick study guide and a practice quiz to help you ace it! πŸ’― Let's dive in and make science fun!
βš›οΈ Physics

4 Answers

βœ… Best Answer
User Avatar

πŸ“š Quick Study Guide

  • βš›οΈ Matter is anything that has mass and takes up space (volume).
  • 🧱 The three common states of matter are solid, liquid, and gas.
  • 🧊 Solids have a definite shape and volume.
  • πŸ’§ Liquids have a definite volume but take the shape of their container.
  • πŸ’¨ Gases have no definite shape or volume and can be compressed.
  • 🌑️ Changes of state (e.g., melting, freezing, boiling, condensation, sublimation, deposition) are physical changes.
  • πŸ§ͺ Physical properties can be observed or measured without changing the substance's composition (e.g., color, density, melting point, boiling point).
  • πŸ”₯ Chemical properties describe how a substance reacts with other substances (e.g., flammability, reactivity with acid).
  • βš–οΈ Density is the mass per unit volume, calculated as $Density = \frac{Mass}{Volume}$
  • πŸ”Ž Mixtures are combinations of two or more substances that are physically combined (e.g., salt water, air).
  • πŸ«™ Solutions are homogeneous mixtures where one substance (solute) dissolves evenly into another (solvent).
  • πŸŒͺ️ Suspensions are heterogeneous mixtures where particles are dispersed but not dissolved and will settle over time.

πŸ§ͺ Practice Quiz

  1. Which of the following is NOT a state of matter?
    1. A. Solid
    2. B. Liquid
    3. C. Gas
    4. D. Energy
  2. What is the formula for calculating density?
    1. A. $Density = Mass \times Volume$
    2. B. $Density = \frac{Volume}{Mass}$
    3. C. $Density = \frac{Mass}{Volume}$
    4. D. $Density = Mass + Volume$
  3. Which of the following is a physical property?
    1. A. Flammability
    2. B. Reactivity with acid
    3. C. Color
    4. D. Rusting
  4. Which state of matter has a definite volume but takes the shape of its container?
    1. A. Solid
    2. B. Liquid
    3. C. Gas
    4. D. Plasma
  5. What type of mixture is salt water?
    1. A. Suspension
    2. B. Colloid
    3. C. Homogeneous mixture
    4. D. Heterogeneous mixture
  6. Which of the following is an example of a chemical property?
    1. A. Boiling point
    2. B. Melting point
    3. C. Flammability
    4. D. Density
  7. What happens during condensation?
    1. A. Solid changes to liquid
    2. B. Liquid changes to gas
    3. C. Gas changes to liquid
    4. D. Liquid changes to solid
Click to see Answers
  1. D
  2. C
  3. C
  4. B
  5. C
  6. C
  7. C
βœ… Best Answer
User Avatar

πŸ“š Quick Study Guide

  • πŸ”¬ Matter: Anything that has mass and takes up space.
  • 🧱 States of Matter: Solid, liquid, gas, and plasma.
  • 🧊 Solid: Definite shape and volume. Particles are tightly packed.
  • πŸ’§ Liquid: Definite volume but takes the shape of its container. Particles can move around.
  • πŸ’¨ Gas: No definite shape or volume. Particles are widely dispersed.
  • πŸ”₯ Plasma: Ionized gas; very high energy. Example: lightning.
  • πŸ“ Mass: The amount of matter in an object (measured in grams or kilograms).
  • 🌌 Volume: The amount of space an object occupies (measured in cubic centimeters or liters).
  • 🌑️ Density: Mass per unit volume. Formula: $\text{Density} = \frac{\text{Mass}}{\text{Volume}}$
  • 🌑️ Melting Point: The temperature at which a solid changes to a liquid.
  • ♨️ Boiling Point: The temperature at which a liquid changes to a gas.
  • ✨ Physical Properties: Characteristics that can be observed without changing the substance's identity (e.g., color, density, boiling point).
  • πŸ§ͺ Chemical Properties: Characteristics that describe how a substance changes when reacting with other substances (e.g., flammability, reactivity).
  • πŸ”„ Physical Change: A change in the form or appearance of a substance, but not its chemical composition (e.g., melting ice).
  • πŸ’₯ Chemical Change: A change that results in the formation of new substances (e.g., burning wood).

πŸ§ͺ Practice Quiz

  1. Which state of matter has a definite shape and volume?
    1. Liquid
    2. Gas
    3. Solid
    4. Plasma
  2. What is the formula for calculating density?
    1. $\text{Density} = \text{Mass} \times \text{Volume}$
    2. $\text{Density} = \frac{\text{Volume}}{\text{Mass}}$
    3. $\text{Density} = \text{Mass} + \text{Volume}$
    4. $\text{Density} = \frac{\text{Mass}}{\text{Volume}}$
  3. Which of the following is an example of a physical change?
    1. Burning wood
    2. Rusting iron
    3. Melting ice
    4. Cooking an egg
  4. What is the amount of space an object occupies called?
    1. Mass
    2. Density
    3. Volume
    4. Weight
  5. Which of the following is a chemical property?
    1. Color
    2. Density
    3. Flammability
    4. Melting point
  6. What state of matter has no definite shape or volume?
    1. Solid
    2. Liquid
    3. Gas
    4. Plasma
  7. What is the temperature at which a liquid changes to a gas called?
    1. Melting point
    2. Freezing point
    3. Boiling point
    4. Sublimation point
Click to see Answers
  1. C
  2. D
  3. C
  4. C
  5. C
  6. C
  7. C
βœ… Best Answer
User Avatar

πŸ“š Quick Study Guide

  • βš›οΈ Matter is anything that has mass and takes up space (volume).
  • 🧱 The three common states of matter are solid, liquid, and gas. Plasma is another state of matter, but less common in everyday experience.
  • 🌑️ Changes of state (e.g., melting, boiling, freezing) are physical changes.
  • πŸ“ Mass is the amount of matter in an object (measured in grams or kilograms).
  • βš–οΈ Volume is the amount of space an object occupies (measured in cubic centimeters or milliliters).
  • Density is mass per unit volume, calculated as: $Density = \frac{Mass}{Volume}$ or $D = \frac{m}{V}$.
  • ✨ Physical properties are characteristics that can be observed or measured without changing the substance (e.g., color, density, boiling point).
  • πŸ”₯ Chemical properties describe how a substance changes when it reacts with other substances (e.g., flammability, reactivity with acid).

πŸ§ͺ Practice Quiz

  1. What is the definition of matter?
    1. A) Anything that has mass and takes up space.
    2. B) Anything that has weight and takes up space.
    3. C) Anything that can be seen.
    4. D) Anything that is made of atoms.
  2. Which of the following is NOT a common state of matter?
    1. A) Solid
    2. B) Liquid
    3. C) Gas
    4. D) Energy
  3. What is the formula for calculating density?
    1. A) $Density = Mass \times Volume$
    2. B) $Density = \frac{Volume}{Mass}$
    3. C) $Density = \frac{Mass}{Volume}$
    4. D) $Density = Mass + Volume$
  4. Which of the following is an example of a physical property?
    1. A) Flammability
    2. B) Reactivity with acid
    3. C) Color
    4. D) Rusting
  5. What is the amount of space an object occupies called?
    1. A) Mass
    2. B) Volume
    3. C) Density
    4. D) Weight
  6. Which process involves a change of state from liquid to gas?
    1. A) Melting
    2. B) Freezing
    3. C) Boiling
    4. D) Condensation
  7. Which of the following is an example of a chemical property?
    1. A) Density
    2. B) Boiling Point
    3. C) Flammability
    4. D) Color
Click to see Answers
  1. A
  2. D
  3. C
  4. C
  5. B
  6. C
  7. C
βœ… Best Answer
User Avatar

πŸ“š Quick Study Guide

  • βš›οΈ Matter is anything that has mass and takes up space.
  • βš–οΈ Mass is the amount of matter in an object, often measured in grams (g) or kilograms (kg).
  • πŸ“ Volume is the amount of space an object occupies, often measured in cubic centimeters (cmΒ³) or milliliters (mL).
  • 🌑️ Density is the mass per unit volume, calculated as $Density = \frac{Mass}{Volume}$ ($\rho = \frac{m}{V}$).
  • 🧊 States of matter include solid, liquid, gas, and plasma.
  • πŸ”₯ Physical properties are characteristics that can be observed or measured without changing the substance's chemical composition (e.g., color, density, melting point).
  • πŸ§ͺ Chemical properties describe how a substance changes when it reacts with other substances (e.g., flammability, reactivity).
  • πŸ’§ Melting point is the temperature at which a solid turns into a liquid.
  • ♨️ Boiling point is the temperature at which a liquid turns into a gas.
  • ✨ Solubility is the ability of a substance to dissolve in a solvent.

πŸ§ͺ Practice Quiz

  1. What is the definition of matter?
    1. A type of energy.
    2. Anything that has mass and takes up space.
    3. A form of light.
    4. A type of wave.
  2. Which of the following is the formula for density?
    1. $Density = Mass \times Volume$
    2. $Density = \frac{Volume}{Mass}$
    3. $Density = Mass + Volume$
    4. $Density = \frac{Mass}{Volume}$
  3. Which state of matter has a definite volume but no definite shape?
    1. Solid
    2. Liquid
    3. Gas
    4. Plasma
  4. What is a physical property of matter?
    1. Flammability
    2. Reactivity
    3. Color
    4. Corrosiveness
  5. What is the temperature at which a solid turns into a liquid called?
    1. Boiling point
    2. Freezing point
    3. Melting point
    4. Sublimation point
  6. Which of the following is an example of a chemical property?
    1. Density
    2. Color
    3. Flammability
    4. Melting point
  7. What is the ability of a substance to dissolve in a solvent called?
    1. Viscosity
    2. Solubility
    3. Conductivity
    4. Malleability
Click to see Answers
  1. B
  2. D
  3. B
  4. C
  5. C
  6. C
  7. B

Join the discussion

Please log in to post your answer.

Log In

Earn 2 Points for answering. If your answer is selected as the best, you'll get +20 Points! πŸš€