What Does Genesis 8:20 Mean?
Genesis 8:20 describes how Noah, after leaving the ark, built an altar to the Lord and offered burnt offerings using clean animals and birds. This act of worship showed gratitude and reverence to God for saving Noah, his family, and all the creatures from the flood. It marked a fresh start for life on Earth and opened the way for God’s promise never to destroy the earth by flood again.
Genesis 8:20
Then Noah built an altar to the Lord and took some of every clean animal and some of every clean bird and offered burnt offerings on the altar.
Key Facts
Book
Author
Moses
Genre
Narrative
Date
Approximately 1440 BC (traditional date)
Key People
Key Takeaways
- Noah's first act after the flood was worship, not survival.
- True worship flows from gratitude for what God has already done.
- Noah's sacrifice pointed forward to Christ's perfect offering for sin.
Context of Noah's Altar in Genesis 8:20
After months of waiting and obeying God through the flood, Noah steps onto dry ground and immediately turns to worship.
God had just commanded Noah and his family to leave the ark and repopulate the earth (Genesis 8:15-19). With the waters gone and life beginning anew, Noah’s first action wasn’t to build a home or start farming, but to build an altar to the Lord.
He offered burnt offerings from every clean animal and bird, showing deep reverence and thankfulness to God for preserving life - this act of worship set the tone for a renewed relationship between God and humanity.
Understanding Noah's Sacrifice: Clean Animals and Early Worship
Noah’s choice to offer only clean animals points to a deeper structure in how God wanted to be worshiped, even before the Law was given.
Long before Moses and the Law, God already had a distinction between clean and unclean animals - something Noah clearly understood. Later, in Leviticus 11, God gives detailed instructions about which animals are clean (suitable for sacrifice and food) and which are unclean (not to be eaten or offered). Though Genesis doesn’t explain how Noah knew the difference, his obedience shows that God had already revealed this to him in some way.
In ancient times, building an altar and offering sacrifices was a way to honor God, seek His favor, and acknowledge His authority. Burnt offerings, like the ones Noah gave, were completely burned up, symbolizing total surrender and devotion to God. This act wasn’t about earning salvation - it was about relationship, gratitude, and reverence.
Noah’s offering wasn’t random - it followed God’s distinction between clean and unclean, showing that worship has always involved intentional obedience.
Noah’s worship set a pattern for future generations: true worship means following God’s guidance, not personal feelings. The next part will explore how God responded to this act of faith with a promise that changed history.
The Heart of Worship: Gratitude After Deliverance
Noah’s sacrifice wasn’t a desperate plea for help, but a heartfelt response to what God had already done.
He had just been saved from the flood. Before doing anything else, he worshiped, full of gratitude for God’s faithfulness.
Worship isn't about getting something from God - it's about giving thanks because He's already done the work.
This moment shows a pattern seen throughout the Bible: when people experience God’s deliverance, true worship naturally follows, just as it did later when God brought Israel out of Egypt (Exodus 15:1-2) or when Jesus raised Lazarus and people glorified God (John 12:17-18).
Noah's Altar and the Shadow of Christ's Sacrifice
This act of worship was a moment of thanksgiving that also quietly pointed ahead to God’s ultimate plan to fix humanity’s sin problem through Jesus.
Just as Noah offered clean animals as a pleasing aroma to the Lord (Genesis 8:20-21), the Bible later describes Jesus’ death on the cross in the same way: a sacrifice that brings peace between God and people. In Ephesians 5:2, it says, 'And walk in love, as Christ also has loved us and gave Himself for us, an offering and a sacrifice to God for a sweet-smelling aroma.'
Noah’s burnt offering pointed forward to the one perfect sacrifice that would truly take away sin - Jesus Christ.
While Noah’s offerings had to be repeated and could not remove sin completely, they pictured the one perfect, final sacrifice Jesus would make - giving His life for the whole world.
Application
How This Changes Everything: Real Life Impact
Imagine carrying the weight of starting over - no home, no landmarks, just broken earth and fresh air. That was Noah’s world. Yet before he built a shelter or planted a crop, he built an altar. That simple act reminds us that gratitude is a foundation, not merely a feeling. When we face our own fresh starts - after loss, failure, or a season of waiting - worship resets our focus. It is about acknowledging that God has already done the hardest part, not about having everything together. Like Noah, we don’t earn His favor. We respond to it. And in that response, we find peace, purpose, and the courage to begin again.
Personal Reflection
- When was the last time I worshiped God not because I wanted something, but because I was thankful for what He’s already done?
- Do I treat worship as a routine, or as a heartfelt response to God’s faithfulness in my life?
- What ‘first step’ in my day or week shows that my gratitude to God comes before my personal plans?
A Challenge For You
This week, make your first response to a blessing or breakthrough an act of worship - whether through prayer, praise, or a quiet moment of thanks - before moving on to your next task.
A Prayer of Response
God, thank You for Your faithfulness, even when I don’t deserve it. Help me to respond to Your goodness with a heart of worship, not merely with words. Teach me to put gratitude first, like Noah did, and to live each day aware of Your presence and peace. Amen.
Related Scriptures & Concepts
Immediate Context
Genesis 8:18-19
Describes Noah and all creatures leaving the ark, setting the stage for his immediate act of worship.
Genesis 8:21
Reveals God's response to Noah's sacrifice, forming a cause-and-effect link between worship and promise.
Connections Across Scripture
Ephesians 5:2
Connects Christ's self-giving sacrifice to the Old Testament concept of a pleasing offering to God.
Leviticus 1:9
Illustrates how burnt offerings were to be made, showing continuity in worship practices.
Exodus 15:1-2
Mirrors Noah's response - worship after deliverance - when Israel sings after crossing the Red Sea.