Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Chapter: 7

Science questions

QuestionAnswer
What term means anything that has mass and takes up space? matter
Mr. Smith decides to do a demonstration for his class with a piece of notebook paper. Using a balance Mr. Smith discovers that the mass of the paper is 6g. He takes the piece of paper and cuts it into several small pieces. The mass of all the pieces i a physical change involving a change in size or shape of matter
Which of the following are physical properties of matter? A. a chemical change involving a change in mass B. a physical change involving a change in state C. a physical change involving a change in size or shape of matter D. a physical change inv All of the above
How would you calculate the density of an object? divide its mass by its volume
If you travel to an unknown planet, Planet X, and your weight increased, then the planet you traveled to is: more massive than Earth.
All matter is made up of small particles called atoms
A chemical change results in which of the following: A. change in state of matter B. different substances with different properties C. no new substances D. changes in pressure different substances with different properties
Billy was baking a pie and he forgot to take it out. The pie was black all over! Which answer best describes what happened to the pie? A. The pie has undergone a physical change. B. The pie reached its melting point. C. The pie has undergone The pie has undergone a chemical change.
Water is a combination of the elements hydrogen and oxygen, when chemically combined they form a (n) ________. compound
10. If 2 mL of a liquid A, 10 mL of liquid C, 15 mL of the liquid D and 8 mL of liquid B were placed into a container, what liquid would be at the top? liquid D
A certain amount of Liquid D was placed into a graduated cylinder then some of Liquid E was poured into the same cylinder. What statement best describes why liquid E is on top of liquid D? liquid D is more dense than liquid E.
Scientists know that all matter in the universe is made up of more than a hundred different substances that are called? elements.
What term refers to two or more substances that are together in the same place, but their atoms are not chemically bonded? A. density B. element C. atom D. mixture mixture
Which of the following describes how thermal energy naturally flows? Thermal energy flows from warmer matter to cooler matter. Thermal energy flows from cooler matter to warmer matter. Thermal energy does not flow through matter. Thermal energy is d Thermal energy flows from warmer matter to cooler matter.
Which of the following is true about the law of conservation of mass? Matter can be created with a chemical change. Matter is destroyed with a chemical change. Matter is not created or destroyed in any physical or chemical change. Matter can be cre Matter is not created or destroyed in any physical or chemical change.
Putting ice in a cooler helps to keep your food or drinks cold. Which term refers to this ice example when energy is being absorbed? temperature B. endothermic C. exothermic D. oxidation endothermic
Which of the following is not a heterogeneous mixtures? A. salad B. trail mix C. air D. guacamole air
Each diagram below represents a different kind of matter. Each circle represents an atom. Circles of the same size and shade are the same atom. 19-20. Short Answer (2pts.) Identify the types of matter in diagram III and IV. Explain the dif I= mixture II = molecules III= compounds IV= elements
Created by: user-1898694
Popular Science sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards