Introduction to gravity | Science | Quizalize & Oak National Academy

Starter quiz

What are pushes and pulls types of?

'forces' ✓
Match the force to the way it acts.

Contact forces

⇔

Act between objects that are touching each other. ✓

Non-contact forces

⇔

Act between objects that are not touching each other. ✓

Forces

⇔

Pushes and pulls that make things move or change direction. ✓
Are all metals magnetic?

'no' ✓
Which of these images show pull forces?

plucking a guitar ✓

brushing hair ✓

ringing a doorbell

using scissors
Magnetic force can work at a distance, so it is a is a ______ force.

'non-contact' ✓
Which of these things can forces do?

make something change mass

make something stop moving ✓

make something start moving ✓

make something change direction ✓

According to stories, which type of falling fruit helped Isaac Newton understand gravity?

orange

pineapple

apple ✓

melon
______ is a pulling force that makes unsupported objects fall towards Earth.

'Gravity' ✓
Which of these scientists did not help us learn about gravity?

Isaac Newton

Aristotle

Galileo Galilei

Charles Darwin ✓
Do all objects have gravitational pull?

'yes' ✓
Big objects have a ______ gravitational pull than small objects.

'stronger' ✓
Which of these statements explains what Galileo discovered about gravity?

Objects of the same shape, but different mass fall at the same rate. ✓

Objects of the same mass, but different shape fall at the same rate.

All objects fall at the same rate.

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Gravity is an invisible pulling force that makes unsupported objects fall towards Earth.
Scientists in the past have helped us to understand and learn more about gravity.

Heavy objects fall faster than light objects.

The activity of dropping two plastic bottles (one filled and one half-filled with water) will help children see what happens.

Earth - Earth is the planet that we live on.
Force - A force is a push or a pull. Forces can make objects move, slow down, change direction or change shape.
Pull - A pull is force that brings an object closer.
Gravity - Gravity is the force that attracts objects to Earth.
Unsupported - If something is unsupported, it is not held up by anything.