Evidence that matter is made of particles too small to see
5th grade (Year 6 in England) · 16 questions · Common Core: NGSS.5-PS1-1 · England: KS2 Y4 States of matter, KS3 Chemistry: The particulate nature of matter
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Score/ 16
Question 1
Particles: which statement is true?
- A. The smell of baking only travels if a fan blows it.
- B. Gas particles are packed tightly together.
- C. A puddle dries up because water particles escape into the air.
- D. Particles stop moving in liquids.
Question 2
Someone opens a bottle of perfume at the front of the class. Soon people at the back can smell it. What explains this?
- A. Tiny perfume particles spread out through the air.
- B. Smells travel only through walls.
- C. The bottle grew bigger.
- D. The smell is a kind of light.
Question 3
True or false? When sugar dissolves, it stops existing.
- A. True
- B. False
Question 4
Particles: which statement is true?
- A. The smell of baking only travels if a fan blows it.
- B. Gas particles are packed tightly together.
- C. Smells reach your nose as gas particles.
- D. Particles stop moving in liquids.
Question 5
Sugar is stirred into water and seems to disappear, but the water tastes sweet. What does this show?
- A. The sugar sank and vanished.
- B. The sugar broke into particles too small to see, spread through the water.
- C. The sugar was destroyed.
- D. The water turned into sugar.
Question 6
True or false? Particles in liquids and gases are always moving.
- A. True
- B. False
Question 7
Particles: which statement is true?
- A. The smell of baking only travels if a fan blows it.
- B. Particles stop moving in liquids.
- C. Gas particles are packed tightly together.
- D. Smells reach your nose as gas particles.
Question 8
A drop of food colouring is put in a still glass of water. After an hour, all the water is coloured. Why?
- A. The colouring grew.
- B. Someone stirred it secretly.
- C. The particles of colouring and water keep moving and mixing.
- D. The water absorbed light.
Question 9
True or false? Air is made of particles even though we cannot see them.
- A. True
- B. False
Question 10
Particles: which statement is true?
- A. Warm water makes particles move faster, so colouring spreads more quickly.
- B. Particles stop moving in liquids.
- C. The smell of baking only travels if a fan blows it.
- D. Gas particles are packed tightly together.
Question 11
Someone opens a bottle of perfume at the front of the class. Soon people at the back can smell it. What explains this?
- A. The smell is a kind of light.
- B. Tiny perfume particles spread out through the air.
- C. Smells travel only through walls.
- D. The bottle grew bigger.
Question 12
True or false? When sugar dissolves, it stops existing.
- A. True
- B. False
Question 13
Particles: which statement is true?
- A. You can squash air in a syringe because its particles are far apart.
- B. Particles stop moving in liquids.
- C. Gas particles are packed tightly together.
- D. The smell of baking only travels if a fan blows it.
Question 14
Someone opens a bottle of perfume at the front of the class. Soon people at the back can smell it. What explains this?
- A. Tiny perfume particles spread out through the air.
- B. Smells travel only through walls.
- C. The smell is a kind of light.
- D. The bottle grew bigger.
Question 15
True or false? A balloon stays inflated because air has no mass.
- A. True
- B. False
Question 16
Particles: which statement is true?
- A. Particles stop moving in liquids.
- B. The smell of baking only travels if a fan blows it.
- C. Gas particles are packed tightly together.
- D. You can squash air in a syringe because its particles are far apart.
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