This Grade 1 hard worksheet challenges learners to predict sinking and floating in a tub of clean water. First graders answer four multiple choice questions about rocks, leaves, coins, and rubber ducks, then complete five fill in the blank sentences about why heavy objects sink while light objects usually float. Hints and explanations connect predictions to being heavy for size.
Style:
Solids & Liquids
Part A: Multiple Choice
Circle the best answer for each question.
1. Which object will float on water?
A) a leaf
B) a metal spoon
C) a big rock
D) a coin
2. Which object will most likely sink?
A) a plastic cup
B) a feather
C) a heavy rock
D) a piece of wood
3. Why does a small pebble sink in water?
A) it is very heavy for its size
B) it is shiny
C) it is round
D) it is clean
4. Which of these would float in a bathtub?
A) a rubber duck
B) a metal key
C) a bag of sand
D) a brick
Part B: Fill in the Blank
Write the correct answer on each line.
1. A leaf will float on the water.
2. A big heavy rock will sink in water.
3. Boats are made to float on top of the water.
4. A coin is small but it will sink.
5. A piece of wood will usually float in water.
Solids & Liquids
★ Part A: Multiple Choice
Circle the best answer for each question.
1. Which object will float on water?
A) a leaf
B) a metal spoon
C) a big rock
D) a coin
2. Which object will most likely sink?
A) a plastic cup
B) a feather
C) a heavy rock
D) a piece of wood
3. Why does a small pebble sink in water?
A) it is very heavy for its size
B) it is shiny
C) it is round
D) it is clean
4. Which of these would float in a bathtub?
A) a rubber duck
B) a metal key
C) a bag of sand
D) a brick
★ Part B: Fill in the Blank
Write the correct answer on each line.
1) A leaf will float on the water.
2) A big heavy rock will sink in water.
3) Boats are made to float on top of the water.
4) A coin is small but it will sink.
5) A piece of wood will usually float in water.
Ready to Practice?
Complete each section carefully.
9 Questions
12-18 minutes
Auto-graded
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