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Question 1 of 10
1. Question
1 point(s)Which statement about the masses and weights of objects on the Earth is correct?
CorrectIncorrect 
Question 2 of 10
2. Question
1 point(s)The table shows the weight in newtons of a10 kg mass on each of four planets.
\[
\begin{array}{cc}
\hline \text { planet } & \text { weight of a } 10 \mathrm{~kg} \text { mass/N } \\
\hline \text { Earth } & 100 \\
\text { Jupiter } & 250 \\
\text { Mercury } & 40 \\
\text { Venus } & 90 \\
\hline
\end{array}
\]The diagram shows a force meter (spring balance) being used.
On which planet is the force meter (spring balance) being used?
CorrectIncorrect 
Question 3 of 10
3. Question
1 point(s)Which property of a body can be measured in newtons?
CorrectIncorrect 
Question 4 of 10
4. Question
1 point(s)A cup contains hot liquid. Some of the liquid evaporates as it cools. What happens to the mass and to the weight of the liquid in the cup as it cools?
\[
\begin{array}{ccc}
\hline & \text { mass } & \text { weight } \\
\hline \text { A } & \text { decreases } & \text { decreases } \\
\text { B } & \text { decreases } & \text { stays the same } \\
\text { C } & \text { stays the same } & \text { decreases } \\
\text { D } & \text { stays the same } & \text { stays the same } \\
\hline
\end{array}
\]CorrectIncorrect 
Question 5 of 10
5. Question
1 point(s)Two blocks of metal \(X\) and \(Y\) hang from spring balances as shown in the diagram.
What does the diagram show about \(X\) and \(Y\) ?
CorrectIncorrect 
Question 6 of 10
6. Question
1 point(s)The graph shows how weight varies with mass on planet \(\mathrm{P}\) and on planet \(\mathrm{Q}\).
An object weighs \(400 \mathrm{~N}\) on planet \(\mathrm{P}\). The object is taken to planet \(\mathrm{Q}\).
Which row is correct?\[
\begin{array}{ccc}
\hline & \begin{array}{c}
\text { mass of object } \\
\text { on planet Q/kg }
\end{array} & \begin{array}{c}
\text { weight of object } \\
\text { on planet Q/N }
\end{array} \\
\hline \text { A } & 40 & 200 \\
\text { B } & 40 & 400 \\
\text { C } & 80 & 200 \\
\text { D } & 80 & 400 \\
\hline
\end{array}
\]CorrectIncorrect 
Question 7 of 10
7. Question
1 point(s)Which statement about mass and weight is correct?
CorrectIncorrect 
Question 8 of 10
8. Question
1 point(s)A metal block is heated until it is completely melted. It is then allowed to solidify. What happens to the mass of the metal during the changes of state?
\[
\begin{array}{ccc}
\hline & \begin{array}{c}
\text { mass during } \\
\text { melting }
\end{array} & \begin{array}{c}
\text { mass during } \\
\text { solidification }
\end{array} \\
\hline \text { A } & \text { decreases } & \text { increases } \\
\text { B } & \text { increases } & \text { decreases } \\
\text { C } & \text { increases } & \text { stays constant } \\
\text { D } & \text { stays constant } & \text { stays constant } \\
\hline
\end{array}
\]CorrectIncorrect 
Question 9 of 10
9. Question
1 point(s)Which statement about the mass and the weight of an object is correct?
CorrectIncorrect 
Question 10 of 10
10. Question
1 point(s)An object always has mass but does not always have weight. What must be present and acting on the mass for it to have weight?
CorrectIncorrect