Science

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Elements

Define an element and learn how different elements are represented by chemical symbols.

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.The three states of matter are solid, liquid and .

Fill in the blank.

1/6

Q2.Which object is a solid?

2/6

Q3.Match each object to the correct state.
  • notebook
  • river
  • steam from kettle
  • gas
  • solid
  • liquid

Where you see this icon you can drag and drop! If you are using your keyboard select and move using space and the arrow keys.

3/6

Q4.Match the material to the correct category.
  • plastic bag
  • house key
  • phone charger
  • metal and non-metal
  • non-metal
  • metal

Where you see this icon you can drag and drop! If you are using your keyboard select and move using space and the arrow keys.

4/6

Q5.Which two of the following are typical properties of metals?

Select two (2) boxes

5/6

Q6.Starting with largest, put these objects in size order.
  • cat
  • grain of sand
  • atom
  • elephant
  • animal cell

Where you see this icon you can drag and drop! If you are using your keyboard select and move using space and the arrow keys.

6/6

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.The three states of matter are solid, liquid and .

Fill in the blank.

1/6

Q2.Which object is a solid?

2/6

Q3.Match each object to the correct state.
  • notebook
  • river
  • steam from kettle
  • gas
  • solid
  • liquid

Where you see this icon you can drag and drop! If you are using your keyboard select and move using space and the arrow keys.

3/6

Q4.Match the material to the correct category.
  • plastic bag
  • house key
  • phone charger
  • metal
  • metal and non-metal
  • non-metal

Where you see this icon you can drag and drop! If you are using your keyboard select and move using space and the arrow keys.

4/6

Q5.Which two of the following are typical properties of metals?

Select two (2) boxes

5/6

Q6.Starting with largest, put these objects in size order.
  • cat
  • grain of sand
  • animal cell
  • atom
  • elephant

Where you see this icon you can drag and drop! If you are using your keyboard select and move using space and the arrow keys.

6/6

Video

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Worksheet

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Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

Elements

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.An element is ...

1/6

Q2.Which statement is correct?

2/6

Q3.Match the element to its group in the periodic table.
  • francium
  • calcium
  • oxygen
  • bromine
  • Group 2
  • Group 7
  • Group 1
  • Group 6

Where you see this icon you can drag and drop! If you are using your keyboard select and move using space and the arrow keys.

3/6

Q4.Match the element name with its chemical symbol.
  • iodine
  • iron
  • sodium
  • sulfur
  • Fe
  • I
  • S
  • Na

Where you see this icon you can drag and drop! If you are using your keyboard select and move using space and the arrow keys.

4/6

Q5.Which two of the following elements are metals?

Select two (2) boxes

5/6

Q6.Which statement about the periodic table is correct?

6/6

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

Elements

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.An element is ...

1/6

Q2.Which statement is correct?

2/6

Q3.Match the element to its group in the periodic table.
  • francium
  • calcium
  • oxygen
  • bromine
  • Group 6
  • Group 7
  • Group 1
  • Group 2

Where you see this icon you can drag and drop! If you are using your keyboard select and move using space and the arrow keys.

3/6

Q4.Match the element name with its chemical symbol.
  • iodine
  • iron
  • sodium
  • sulfur
  • Fe
  • Na
  • S
  • I

Where you see this icon you can drag and drop! If you are using your keyboard select and move using space and the arrow keys.

4/6

Q5.Which two of the following elements are metals?

Select two (2) boxes

5/6

Q6.Which statement about the periodic table is correct?

6/6

Lesson summary: Elements

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The next lesson in:
Atoms and the periodic table
is:
Compounds

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