Scoring System between two different scene?

Hello. I am trying to figure out why the ScoreManager doesn't work for my game. I am using the Scripts that were provided by Unity Tutorials w$$anonymous$$ch were

 using UnityEngine;
 using UnityEngine.UI;
 using System.Collections;
 
 public class ScoreManager : MonoBehaviour
 {
     public static int score;        // The player's score.
     
     
     Text text;                      // Reference to the Text component.
     
     
     void Awake ()
     {
         // Set up the reference.
         text = GetComponent <Text> ();
         
         // Reset the score.
         score = 0;
     }
     
     
     void Update ()
     {
         // Set the displayed text to be the word "Score" followed by the score value.
         text.text = "Score: " + score;
     }
 }

And of course to update the score t$$anonymous$$s

 using UnityEngine;
 using System.Collections;
 
 public class Expands : MonoBehaviour {
     
     public Transform parent;
     public float expandAmount = 2f;
     public float localPosition = 1f;
     public int scoreValue = 1;
 
     void OnMouseDown()
     {
         parent.localScale *=expandAmount;
         for(int i =0;i<parent.c$$anonymous$$ldCount;i++)
         {
             parent.GetC$$anonymous$$ld(i).localScale = parent.GetC$$anonymous$$ld(i).localScale/expandAmount;
             parent.GetC$$anonymous$$ld(i).localPosition += new Vector3(0, 0, -1f);//Added a '+'
             ScoreManager.score += scoreValue;
         }
     }
 }

When the game is finished, it takes you to a different scene w$$anonymous$$ch would be sort of like the Menu you see at the end of a mobile game ( The game is for Mobile and is 2D ) The problem I have is that the Score does not get updated and stays at zero. If anyone knows the solution, please do say. All help is appreciated.