Experiment lab Unit 8

Date: May 6th, 2025
Sessions: 181, 182
Purpose: To practice grammar tenses and learn about the concept of friction.

By Lili MG

Multiple Choice

_____ your teacher______ you the homework?

• Has, done

• Is, gave

• Did, give

• Did, do

Multiple Choice

My friend______ coffee. She prefers tea.

• drinks

• doesn't drink

• drank

• didn't drink

Multiple Choice

My friends and I ________ bananas this evening. Would you like to join us?

• didn't eat

• are going to eating

• are going to eat

• did eat

Multiple Choice

Where _________ last night?

• did you was

• were you

• did you

• are you

Multiple Choice

Jason ______ the race. He was very sad.

• won

• win

• didn't won

• didn't win

Multiple Choice

I ________ with my mum last night. I _____ this beautiful dress.

• shopped, bougt

• went shopping, buyed

• went shopping, bought

• shop, buyed

Multiple Choice

I _____ off my bike yesterday. It _____________.

• fall, didn't hurted

• was falling, didn't hurt

• was falling, didn't hurted

• fell, didn't hurt

Multiple Choice

I _________Maths. I am already tired.

• am learning

• learned

• was learn

• didn't learn

Multiple Choice

Hi Maggie, I ________about you last night!

• dreamt

• dreammed

• were dreaming

• didn't dreamt

Multiple Choice

I _________ this great series now. ______ you ______ a film last night?

• am watching, did, watch

• watched, are seeing

• am watching, are, watching

• watched, did, watch

Multiple Choice

I ______ you with Oliver five days ago. You _____ happy.

• saw, looked

• seen, look

• am seeing, are looking

• see, looked

Multiple Choice

I _______ oranges. They _____ amazing.

• liked, smell

• liked, smelled

• like, smell

• like, smellt

Multiple Choice

___________ card C-A-R-T. It's not correct.

• Don't spelled

• Spell

• Don't spell

• Don't spellt

Multiple Choice

She _____ tired yesterday. She _________ very late today.

• was, wake up

• wasn't, woken up

• was, woke up

• is, wake up

Multiple Choice

__________________ for this chocolate ice-cream? It's cheap.

• Are you going to paying

• Are you going to pay

• Is you paying

• Did you paid

Student Book
128, 129

​Read and listen

Draw

Color the arrows

Reorder

Read and put them in order

1

2

3

• 1
• 2
• 3

Multiple Select

What forces of motion does this ride have?

• Centripetal

• Gravity

• Friction

• Inertia

Multiple Select

What forces of motion does this ride have?

• Centripetal

• Gravity

• Friction

• Inertia

Multiple Select

What forces of motion does this ride have?

• Centripetal

• Gravity

• Friction

• Inertia

Multiple Select

Check (✓) the variables for the experiment.

• length of the slide

• size of the marble

• sounds

• surface of the slide

  
  

• temperature

​In the next slide, try the follwing steps
🎯 Your Mission: Try Each Variable One at a Time!

🌕 1. Gravity

• Slide the gravity bar from low to high.

• Press ▶️ and watch what happens.

💬 What do you notice when gravity is stronger?

---

🧊 2. Friction

• Move the friction bar from None to Lots.

• Try skating with no friction, then lots of friction.

💬 Does the skater go faster or slower? Why?

---

⚖️ 3. Mass

• Slide the mass bar from 5 kg to 100 kg.

• Test if heavier skaters go faster or slower.

💬 Does the mass change the height or speed?

Home

Open in new tab

Copy link

Open Ended

What do you notice when gravity is stronger?

Open Ended

Does the skater go faster or slower with a lot of friction? Why?

Open Ended

Does the mass change the height or speed?

​Workbook
112, 113

Multiple Choice

Read and choose

• centrifugal force

• friction

• gravity

• momentum

Multiple Choice

Read and choose

• centrifugal force

• friction

• gravity

• momentum

Multiple Choice

Read and choose

• centrifugal force

• friction

• gravity

• momentum

Multiple Choice

Read and choose

• centrifugal force

• friction

• gravity

• momentum

Open Ended

Read and answer:

A car and a bike are traveling at the same speed. Which one has greater momentum?

Open Ended

Read and answer:

What force makes the Moon spin around the Earth?

Open Ended

Read and answer:

Why do we fall over if we walk on ice ?

Multiple Choice

Read and choose

Friction is very important for this ride. It doesn’t use centrifugal forces.

• Ferris Wheel

• Bumper cars

• Spinner

Multiple Choice

Read and choose

Friction isn’t very important for this ride. It works with gravity and momentum.

• Ferris Wheel

• Bumper cars

• Spinner

Multiple Choice

Read and choose

Friction isn’t very important for this ride. It works with centrifugal forces..

• Ferris Wheel

• Bumper cars

• Spinner

Drag and Drop

​

Placeholder

Analyze the data.

Placeholder

Suggest an answer.
​

Placeholder

Do an experiment to collect data.

Placeholder

Reach a conclusion.

Placeholder

Ask a question.

Share your results.

Drag these tiles and drop them in the correct blank above

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2

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