States of Matter and Phase Changes

States of Matter and Phase Changes

Assessment

Interactive Video

Science

3rd - 4th Grade

Hard

Created by

Liam Anderson

FREE Resource

The video from makemegenius.com explains the changes in matter, focusing on molecular behavior during melting, evaporation, condensation, and freezing. It uses practical examples like ice cream melting and dew formation to illustrate these concepts. The video also highlights the importance of temperature in these processes and provides additional resources for further learning.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to molecules in a solid when it is heated?

They stop moving.

They change into different molecules.

They start moving faster and spread apart.

They move closer together.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the process called when a liquid turns into gas upon heating?

Condensation

Freezing

Evaporation

Melting

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does condensation occur?

When solid molecules stop moving.

When molecules change into different substances.

When gas molecules slow down and come closer together.

When liquid molecules speed up and spread apart.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to liquid molecules during freezing?

They move faster and spread apart.

They slow down and come closer together.

They change into gas molecules.

They disappear.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What causes dew to form on grass in the morning?

The grass is warmer than the air.

The grass absorbs water from the soil.

The air is full of water vapor and the grass is cooler.

The air is dry and the grass is wet.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do chocolates melt when left outside on a hot day?

The molecules in the chocolate stop moving.

The chocolate changes into a different substance.

The heat causes the molecules to move faster and spread apart.

The chocolate absorbs moisture from the air.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it recommended to keep chocolates in the refrigerator?

To make them taste better.

To keep the molecules close together and prevent melting.

To change their color.

To make them harder.

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