Gravity and weight (year 7) OALH

Last updated almost 5 years ago
32 questions
Do Now:
1

Name 2 contact forces and 2 non-contact forces

1

Describe an example of where friction is useful

1

Name the hazard symbol:

1

State what we could use to find out the pH of a substance.

1

Work out the speed of a car if it travels 40m in 2 seconds.

1

Challenge: A learner driver travels at a speed of 3km/h for an hour and a half. What distance do they travel? Show your working out.

Check for understanding
1

The unit for weight is...

1

Mass is...

1

Weight is...

Key knowledge LCWC
1

Define weight

1

State which direction gravity acts

1

Define mass

1

Recall the equation to calculate weight

1

Define weight

1

State which direction gravity acts

1

Define mass

1

Recall the equation to calculate weight

Quick Quiz
1

Weight is...

1

Mass is...

1

Gravity always pulls objects...

1

Jupiter has a larger mass than the Earth and so has a (larger/smaller) gravitational field strength.

Indepedent Questions
1

On the moon, compared to Earth, Jemma’s mass…

1

On the moon, Jemma’s weight has

1

Jamme weights more on the...

1

because it has a (weaker/stronger) gravitational field

1

Jemma has no weight in...

Indepedent task:
1

Complete the table to the side for a range of masses on earth, where the gravitaitonal field strnght = 9.8N/kg

Mass (kg) = 1
5
20
100
500

Plenary Quiz:
1

True or false: mass and weight are the same
thing?

1

True or false: your mass would be the same
on the Moon as it is on Earth?

1

True or false: your weight would be the same
on the Moon as it is on Earth?

1

State the word equation for calculating weight

1

State the units for weight and the units for mass.